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-rw-r--r--arch/alpha/kernel/core_cia.c5
-rw-r--r--arch/alpha/kernel/core_marvel.c6
-rw-r--r--arch/alpha/kernel/pci-noop.c13
-rw-r--r--arch/alpha/kernel/pci.c11
-rw-r--r--arch/alpha/kernel/pci_iommu.c16
-rw-r--r--arch/alpha/kernel/setup.c2
-rw-r--r--arch/arc/kernel/unwind.c3
-rw-r--r--arch/arc/mm/highmem.c4
-rw-r--r--arch/arm/kernel/setup.c6
-rw-r--r--arch/arm/mm/init.c6
-rw-r--r--arch/arm/mm/mmu.c14
-rw-r--r--arch/arm64/kernel/setup.c8
-rw-r--r--arch/arm64/mm/kasan_init.c10
-rw-r--r--arch/arm64/mm/mmu.c2
-rw-r--r--arch/arm64/mm/numa.c4
-rw-r--r--arch/c6x/mm/dma-coherent.c4
-rw-r--r--arch/c6x/mm/init.c4
-rw-r--r--arch/csky/mm/highmem.c5
-rw-r--r--arch/h8300/mm/init.c4
-rw-r--r--arch/ia64/kernel/mca.c25
-rw-r--r--arch/ia64/mm/contig.c8
-rw-r--r--arch/ia64/mm/discontig.c4
-rw-r--r--arch/ia64/mm/init.c38
-rw-r--r--arch/ia64/mm/tlb.c6
-rw-r--r--arch/ia64/sn/kernel/io_common.c3
-rw-r--r--arch/ia64/sn/kernel/setup.c12
-rw-r--r--arch/m68k/atari/stram.c4
-rw-r--r--arch/m68k/mm/init.c3
-rw-r--r--arch/m68k/mm/mcfmmu.c7
-rw-r--r--arch/m68k/mm/motorola.c9
-rw-r--r--arch/m68k/mm/sun3mmu.c6
-rw-r--r--arch/m68k/sun3/sun3dvma.c3
-rw-r--r--arch/microblaze/mm/init.c10
-rw-r--r--arch/mips/cavium-octeon/dma-octeon.c3
-rw-r--r--arch/mips/kernel/setup.c3
-rw-r--r--arch/mips/kernel/traps.c5
-rw-r--r--arch/mips/mm/init.c5
-rw-r--r--arch/nds32/mm/init.c12
-rw-r--r--arch/openrisc/mm/init.c5
-rw-r--r--arch/openrisc/mm/ioremap.c8
-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c8
-rw-r--r--arch/powerpc/kernel/paca.c6
-rw-r--r--arch/powerpc/kernel/pci_32.c3
-rw-r--r--arch/powerpc/kernel/prom.c5
-rw-r--r--arch/powerpc/kernel/rtas.c6
-rw-r--r--arch/powerpc/kernel/setup-common.c3
-rw-r--r--arch/powerpc/kernel/setup_64.c4
-rw-r--r--arch/powerpc/lib/alloc.c3
-rw-r--r--arch/powerpc/mm/hash_utils_64.c11
-rw-r--r--arch/powerpc/mm/mmu_context_nohash.c9
-rw-r--r--arch/powerpc/mm/numa.c4
-rw-r--r--arch/powerpc/mm/pgtable-book3e.c12
-rw-r--r--arch/powerpc/mm/pgtable-book3s64.c3
-rw-r--r--arch/powerpc/mm/pgtable-radix.c9
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c3
-rw-r--r--arch/powerpc/platforms/pasemi/iommu.c3
-rw-r--r--arch/powerpc/platforms/powermac/nvram.c3
-rw-r--r--arch/powerpc/platforms/powernv/opal.c3
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c8
-rw-r--r--arch/powerpc/platforms/ps3/setup.c3
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c3
-rw-r--r--arch/powerpc/sysdev/msi_bitmap.c3
-rw-r--r--arch/s390/kernel/crash_dump.c3
-rw-r--r--arch/s390/kernel/setup.c16
-rw-r--r--arch/s390/kernel/smp.c9
-rw-r--r--arch/s390/kernel/topology.c6
-rw-r--r--arch/s390/numa/mode_emu.c3
-rw-r--r--arch/s390/numa/numa.c6
-rw-r--r--arch/sh/boards/mach-ap325rxa/setup.c5
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c10
-rw-r--r--arch/sh/boards/mach-kfr2r09/setup.c5
-rw-r--r--arch/sh/boards/mach-migor/setup.c5
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c10
-rw-r--r--arch/sh/kernel/machine_kexec.c3
-rw-r--r--arch/sh/mm/init.c8
-rw-r--r--arch/sh/mm/numa.c4
-rw-r--r--arch/sparc/kernel/prom_32.c6
-rw-r--r--arch/sparc/kernel/setup_64.c6
-rw-r--r--arch/sparc/kernel/smp_64.c12
-rw-r--r--arch/sparc/mm/init_32.c2
-rw-r--r--arch/sparc/mm/init_64.c11
-rw-r--r--arch/sparc/mm/srmmu.c18
-rw-r--r--arch/um/drivers/net_kern.c3
-rw-r--r--arch/um/drivers/vector_kern.c3
-rw-r--r--arch/um/kernel/initrd.c2
-rw-r--r--arch/um/kernel/mem.c16
-rw-r--r--arch/unicore32/kernel/setup.c4
-rw-r--r--arch/unicore32/mm/mmu.c15
-rw-r--r--arch/x86/kernel/acpi/boot.c3
-rw-r--r--arch/x86/kernel/apic/io_apic.c5
-rw-r--r--arch/x86/kernel/e820.c5
-rw-r--r--arch/x86/kernel/setup_percpu.c10
-rw-r--r--arch/x86/mm/kasan_init_64.c14
-rw-r--r--arch/x86/mm/numa.c12
-rw-r--r--arch/x86/platform/olpc/olpc_dt.c3
-rw-r--r--arch/x86/xen/p2m.c11
-rw-r--r--arch/xtensa/mm/kasan_init.c10
-rw-r--r--arch/xtensa/mm/mmu.c3
98 files changed, 586 insertions, 102 deletions
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
index 867e8730b0c5..f489170201c3 100644
--- a/arch/alpha/kernel/core_cia.c
+++ b/arch/alpha/kernel/core_cia.c
@@ -331,7 +331,10 @@ cia_prepare_tbia_workaround(int window)
 	long i;
 
 	/* Use minimal 1K map. */
-	ppte = memblock_alloc_from(CIA_BROKEN_TBIA_SIZE, 32768, 0);
+	ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768);
+	if (!ppte)
+		panic("%s: Failed to allocate %u bytes align=0x%x\n",
+		      __func__, CIA_BROKEN_TBIA_SIZE, 32768);
 	pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1;
 
 	for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i)
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index c1d0c18c71ca..1db9d0eb2922 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -83,6 +83,9 @@ mk_resource_name(int pe, int port, char *str)
 	
 	sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port);
 	name = memblock_alloc(strlen(tmp) + 1, SMP_CACHE_BYTES);
+	if (!name)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      strlen(tmp) + 1);
 	strcpy(name, tmp);
 
 	return name;
@@ -118,6 +121,9 @@ alloc_io7(unsigned int pe)
 	}
 
 	io7 = memblock_alloc(sizeof(*io7), SMP_CACHE_BYTES);
+	if (!io7)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*io7));
 	io7->pe = pe;
 	raw_spin_lock_init(&io7->irq_lock);
 
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index 091cff3c68fd..ae82061edae9 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -34,6 +34,9 @@ alloc_pci_controller(void)
 	struct pci_controller *hose;
 
 	hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES);
+	if (!hose)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*hose));
 
 	*hose_tail = hose;
 	hose_tail = &hose->next;
@@ -44,7 +47,13 @@ alloc_pci_controller(void)
 struct resource * __init
 alloc_resource(void)
 {
-	return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+	void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(struct resource));
+
+	return ptr;
 }
 
 SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
@@ -54,7 +63,7 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
 
 	/* from hose or from bus.devfn */
 	if (which & IOBASE_FROM_HOSE) {
-		for (hose = hose_head; hose; hose = hose->next) 
+		for (hose = hose_head; hose; hose = hose->next)
 			if (hose->index == bus)
 				break;
 		if (!hose)
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 97098127df83..64fbfb0763b2 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -393,6 +393,9 @@ alloc_pci_controller(void)
 	struct pci_controller *hose;
 
 	hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES);
+	if (!hose)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*hose));
 
 	*hose_tail = hose;
 	hose_tail = &hose->next;
@@ -403,7 +406,13 @@ alloc_pci_controller(void)
 struct resource * __init
 alloc_resource(void)
 {
-	return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+	void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(struct resource));
+
+	return ptr;
 }
 
 
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index aa0f50d0f823..3034d6d936d2 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -80,6 +80,9 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
 		       "    falling back to system-wide allocation\n",
 		       __func__, nid);
 		arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES);
+		if (!arena)
+			panic("%s: Failed to allocate %zu bytes\n", __func__,
+			      sizeof(*arena));
 	}
 
 	arena->ptes = memblock_alloc_node(sizeof(*arena), align, nid);
@@ -87,13 +90,22 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
 		printk("%s: couldn't allocate arena ptes from node %d\n"
 		       "    falling back to system-wide allocation\n",
 		       __func__, nid);
-		arena->ptes = memblock_alloc_from(mem_size, align, 0);
+		arena->ptes = memblock_alloc(mem_size, align);
+		if (!arena->ptes)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, mem_size, align);
 	}
 
 #else /* CONFIG_DISCONTIGMEM */
 
 	arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES);
-	arena->ptes = memblock_alloc_from(mem_size, align, 0);
+	if (!arena)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*arena));
+	arena->ptes = memblock_alloc(mem_size, align);
+	if (!arena->ptes)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, mem_size, align);
 
 #endif /* CONFIG_DISCONTIGMEM */
 
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 4b5b1b244f86..5d4c76a77a9f 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -293,7 +293,7 @@ move_initrd(unsigned long mem_limit)
 	unsigned long size;
 
 	size = initrd_end - initrd_start;
-	start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0);
+	start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE);
 	if (!start || __pa(start) + size > mem_limit) {
 		initrd_start = initrd_end = 0;
 		return NULL;
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index d34f69eb1a95..271e9fafa479 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -181,8 +181,7 @@ static void init_unwind_hdr(struct unwind_table *table,
  */
 static void *__init unw_hdr_alloc_early(unsigned long sz)
 {
-	return memblock_alloc_from_nopanic(sz, sizeof(unsigned int),
-					   MAX_DMA_ADDRESS);
+	return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS);
 }
 
 static void *unw_hdr_alloc(unsigned long sz)
diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c
index 48e700151810..11f57e2ced8a 100644
--- a/arch/arc/mm/highmem.c
+++ b/arch/arc/mm/highmem.c
@@ -124,6 +124,10 @@ static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr)
 	pmd_k = pmd_offset(pud_k, kvaddr);
 
 	pte_k = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+	if (!pte_k)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
+
 	pmd_populate_kernel(&init_mm, pmd_k, pte_k);
 	return pte_k;
 }
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 375b13f7e780..5d78b6ac0429 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -867,6 +867,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
 		boot_alias_start = phys_to_idmap(start);
 		if (arm_has_idmap_alias() && boot_alias_start != IDMAP_INVALID_ADDR) {
 			res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES);
+			if (!res)
+				panic("%s: Failed to allocate %zu bytes\n",
+				      __func__, sizeof(*res));
 			res->name = "System RAM (boot alias)";
 			res->start = boot_alias_start;
 			res->end = phys_to_idmap(end);
@@ -875,6 +878,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
 		}
 
 		res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES);
+		if (!res)
+			panic("%s: Failed to allocate %zu bytes\n", __func__,
+			      sizeof(*res));
 		res->name  = "System RAM";
 		res->start = start;
 		res->end = end;
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 478ea8b7db87..15dddfe43319 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -205,7 +205,11 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
 
 	BUG_ON(!arm_memblock_steal_permitted);
 
-	phys = memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, align);
+	if (!phys)
+		panic("Failed to steal %pa bytes at %pS\n",
+		      &size, (void *)_RET_IP_);
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 57de0dde3ae0..f3ce34113f89 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -721,7 +721,13 @@ EXPORT_SYMBOL(phys_mem_access_prot);
 
 static void __init *early_alloc(unsigned long sz)
 {
-	return memblock_alloc(sz, sz);
+	void *ptr = memblock_alloc(sz, sz);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, sz, sz);
+
+	return ptr;
 }
 
 static void *__init late_alloc(unsigned long sz)
@@ -994,6 +1000,9 @@ void __init iotable_init(struct map_desc *io_desc, int nr)
 		return;
 
 	svm = memblock_alloc(sizeof(*svm) * nr, __alignof__(*svm));
+	if (!svm)
+		panic("%s: Failed to allocate %zu bytes align=0x%zx\n",
+		      __func__, sizeof(*svm) * nr, __alignof__(*svm));
 
 	for (md = io_desc; nr; md++, nr--) {
 		create_mapping(md);
@@ -1016,6 +1025,9 @@ void __init vm_reserve_area_early(unsigned long addr, unsigned long size,
 	struct static_vm *svm;
 
 	svm = memblock_alloc(sizeof(*svm), __alignof__(*svm));
+	if (!svm)
+		panic("%s: Failed to allocate %zu bytes align=0x%zx\n",
+		      __func__, sizeof(*svm), __alignof__(*svm));
 
 	vm = &svm->vm;
 	vm->addr = (void *)addr;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 834b321a88f8..f8482fe5a190 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -208,6 +208,7 @@ static void __init request_standard_resources(void)
 	struct memblock_region *region;
 	struct resource *res;
 	unsigned long i = 0;
+	size_t res_size;
 
 	kernel_code.start   = __pa_symbol(_text);
 	kernel_code.end     = __pa_symbol(__init_begin - 1);
@@ -215,9 +216,10 @@ static void __init request_standard_resources(void)
 	kernel_data.end     = __pa_symbol(_end - 1);
 
 	num_standard_resources = memblock.memory.cnt;
-	standard_resources = memblock_alloc_low(num_standard_resources *
-					        sizeof(*standard_resources),
-					        SMP_CACHE_BYTES);
+	res_size = num_standard_resources * sizeof(*standard_resources);
+	standard_resources = memblock_alloc_low(res_size, SMP_CACHE_BYTES);
+	if (!standard_resources)
+		panic("%s: Failed to allocate %zu bytes\n", __func__, res_size);
 
 	for_each_memblock(memory, region) {
 		res = &standard_resources[i++];
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index f37a86d2a69d..296de39ddee5 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -40,6 +40,11 @@ static phys_addr_t __init kasan_alloc_zeroed_page(int node)
 	void *p = memblock_alloc_try_nid(PAGE_SIZE, PAGE_SIZE,
 					      __pa(MAX_DMA_ADDRESS),
 					      MEMBLOCK_ALLOC_KASAN, node);
+	if (!p)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE, node,
+		      __pa(MAX_DMA_ADDRESS));
+
 	return __pa(p);
 }
 
@@ -48,6 +53,11 @@ static phys_addr_t __init kasan_alloc_raw_page(int node)
 	void *p = memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE,
 						__pa(MAX_DMA_ADDRESS),
 						MEMBLOCK_ALLOC_KASAN, node);
+	if (!p)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE, node,
+		      __pa(MAX_DMA_ADDRESS));
+
 	return __pa(p);
 }
 
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 402b6495ff58..e97f018ff740 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -103,6 +103,8 @@ static phys_addr_t __init early_pgtable_alloc(void)
 	void *ptr;
 
 	phys = memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate page table page\n");
 
 	/*
 	 * The FIX_{PGD,PUD,PMD} slots may be in active use, but the FIX_PTE
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 7a0a555b366a..06a6f264f2dd 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -237,6 +237,10 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
 		pr_info("Initmem setup node %d [<memory-less node>]\n", nid);
 
 	nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
+	if (!nd_pa)
+		panic("Cannot allocate %zu bytes for node %d data\n",
+		      nd_size, nid);
+
 	nd = __va(nd_pa);
 
 	/* report and initialize */
diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c
index 0be289839ce0..0d3701bc88f6 100644
--- a/arch/c6x/mm/dma-coherent.c
+++ b/arch/c6x/mm/dma-coherent.c
@@ -138,6 +138,10 @@ void __init coherent_mem_init(phys_addr_t start, u32 size)
 
 	dma_bitmap = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long),
 				    sizeof(long));
+	if (!dma_bitmap)
+		panic("%s: Failed to allocate %zu bytes align=0x%zx\n",
+		      __func__, BITS_TO_LONGS(dma_pages) * sizeof(long),
+		      sizeof(long));
 }
 
 static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size,
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index af5ada0520be..fe582c3a1794 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -40,7 +40,9 @@ void __init paging_init(void)
 
 	empty_zero_page      = (unsigned long) memblock_alloc(PAGE_SIZE,
 							      PAGE_SIZE);
-	memset((void *)empty_zero_page, 0, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up user data space
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 53b1bfa4c462..3317b774f6dc 100644
--- a/arch/csky/mm/highmem.c
+++ b/arch/csky/mm/highmem.c
@@ -141,6 +141,11 @@ static void __init fixrange_init(unsigned long start, unsigned long end,
 			for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) {
 				if (pmd_none(*pmd)) {
 					pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+					if (!pte)
+						panic("%s: Failed to allocate %lu bytes align=%lx\n",
+						      __func__, PAGE_SIZE,
+						      PAGE_SIZE);
+
 					set_pmd(pmd, __pmd(__pa(pte)));
 					BUG_ON(pte != pte_offset_kernel(pmd, 0));
 				}
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 6519252ac4db..0f04a5e9aa4f 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -68,7 +68,9 @@ void __init paging_init(void)
 	 * to a couple of allocated pages.
 	 */
 	empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE);
-	memset((void *)empty_zero_page, 0, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up SFC/DFC registers (user data space).
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 91bd1e129379..5cabb3fd159f 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -359,11 +359,6 @@ typedef struct ia64_state_log_s
 
 static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES];
 
-#define IA64_LOG_ALLOCATE(it, size) \
-	{ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)] = \
-		(ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES); \
-	ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)] = \
-		(ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES);}
 #define IA64_LOG_LOCK_INIT(it) spin_lock_init(&ia64_state_log[it].isl_lock)
 #define IA64_LOG_LOCK(it)      spin_lock_irqsave(&ia64_state_log[it].isl_lock, s)
 #define IA64_LOG_UNLOCK(it)    spin_unlock_irqrestore(&ia64_state_log[it].isl_lock,s)
@@ -378,6 +373,19 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES];
 #define IA64_LOG_CURR_BUFFER(it)   (void *)((ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)]))
 #define IA64_LOG_COUNT(it)         ia64_state_log[it].isl_count
 
+static inline void ia64_log_allocate(int it, u64 size)
+{
+	ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)] =
+		(ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)])
+		panic("%s: Failed to allocate %llu bytes\n", __func__, size);
+
+	ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)] =
+		(ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)])
+		panic("%s: Failed to allocate %llu bytes\n", __func__, size);
+}
+
 /*
  * ia64_log_init
  *	Reset the OS ia64 log buffer
@@ -399,9 +407,7 @@ ia64_log_init(int sal_info_type)
 		return;
 
 	// set up OS data structures to hold error info
-	IA64_LOG_ALLOCATE(sal_info_type, max_size);
-	memset(IA64_LOG_CURR_BUFFER(sal_info_type), 0, max_size);
-	memset(IA64_LOG_NEXT_BUFFER(sal_info_type), 0, max_size);
+	ia64_log_allocate(sal_info_type, max_size);
 }
 
 /*
@@ -1835,8 +1841,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
 /* Caller prevents this from being called after init */
 static void * __ref mca_bootmem(void)
 {
-	return memblock_alloc_from(sizeof(struct ia64_mca_cpu),
-				   KERNEL_STACK_SIZE, 0);
+	return memblock_alloc(sizeof(struct ia64_mca_cpu), KERNEL_STACK_SIZE);
 }
 
 /* Do per-CPU MCA-related initialization.  */
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 6e447234205c..d29fb6b9fa33 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -84,9 +84,13 @@ skip:
 static inline void
 alloc_per_cpu_data(void)
 {
-	cpu_data = memblock_alloc_from(PERCPU_PAGE_SIZE * num_possible_cpus(),
-				       PERCPU_PAGE_SIZE,
+	size_t size = PERCPU_PAGE_SIZE * num_possible_cpus();
+
+	cpu_data = memblock_alloc_from(size, PERCPU_PAGE_SIZE,
 				       __pa(MAX_DMA_ADDRESS));
+	if (!cpu_data)
+		panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
+		      __func__, size, PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
 }
 
 /**
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index f9c36750c6a4..05490dd073e6 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -454,6 +454,10 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
 				     __pa(MAX_DMA_ADDRESS),
 				     MEMBLOCK_ALLOC_ACCESSIBLE,
 				     bestnode);
+	if (!ptr)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n",
+		      __func__, pernodesize, PERCPU_PAGE_SIZE, bestnode,
+		      __pa(MAX_DMA_ADDRESS));
 
 	return ptr;
 }
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 29d841525ca1..e49200e31750 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -444,23 +444,45 @@ int __init create_mem_map_page_table(u64 start, u64 end, void *arg)
 
 	for (address = start_page; address < end_page; address += PAGE_SIZE) {
 		pgd = pgd_offset_k(address);
-		if (pgd_none(*pgd))
-			pgd_populate(&init_mm, pgd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+		if (pgd_none(*pgd)) {
+			pud = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+			if (!pud)
+				goto err_alloc;
+			pgd_populate(&init_mm, pgd, pud);
+		}
 		pud = pud_offset(pgd, address);
 
-		if (pud_none(*pud))
-			pud_populate(&init_mm, pud, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+		if (pud_none(*pud)) {
+			pmd = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+			if (!pmd)
+				goto err_alloc;
+			pud_populate(&init_mm, pud, pmd);
+		}
 		pmd = pmd_offset(pud, address);
 
-		if (pmd_none(*pmd))
-			pmd_populate_kernel(&init_mm, pmd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node));
+		if (pmd_none(*pmd)) {
+			pte = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node);
+			if (!pte)
+				goto err_alloc;
+			pmd_populate_kernel(&init_mm, pmd, pte);
+		}
 		pte = pte_offset_kernel(pmd, address);
 
-		if (pte_none(*pte))
-			set_pte(pte, pfn_pte(__pa(memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)) >> PAGE_SHIFT,
+		if (pte_none(*pte)) {
+			void *page = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE,
+							 node);
+			if (!page)
+				goto err_alloc;
+			set_pte(pte, pfn_pte(__pa(page) >> PAGE_SHIFT,
 					     PAGE_KERNEL));
+		}
 	}
 	return 0;
+
+err_alloc:
+	panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d\n",
+	      __func__, PAGE_SIZE, PAGE_SIZE, node);
+	return -ENOMEM;
 }
 
 struct memmap_init_callback_data {
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 9340bcb4f29c..5fc89aabdce1 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -61,8 +61,14 @@ mmu_context_init (void)
 {
 	ia64_ctx.bitmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3,
 					 SMP_CACHE_BYTES);
+	if (!ia64_ctx.bitmap)
+		panic("%s: Failed to allocate %u bytes\n", __func__,
+		      (ia64_ctx.max_ctx + 1) >> 3);
 	ia64_ctx.flushmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3,
 					   SMP_CACHE_BYTES);
+	if (!ia64_ctx.flushmap)
+		panic("%s: Failed to allocate %u bytes\n", __func__,
+		      (ia64_ctx.max_ctx + 1) >> 3);
 }
 
 /*
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 8df13d0d96fa..d46847323ef6 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -394,6 +394,9 @@ void __init hubdev_init_node(nodepda_t * npda, cnodeid_t node)
 	hubdev_info = (struct hubdev_info *)memblock_alloc_node(size,
 								SMP_CACHE_BYTES,
 								node);
+	if (!hubdev_info)
+		panic("%s: Failed to allocate %d bytes align=0x%x nid=%d\n",
+		      __func__, size, SMP_CACHE_BYTES, node);
 
 	npda->pdinfo = (void *)hubdev_info;
 }
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index a6d40a2c5bff..e6a5049ef503 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -513,6 +513,10 @@ static void __init sn_init_pdas(char **cmdline_p)
 		nodepdaindr[cnode] =
 		    memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES,
 					cnode);
+		if (!nodepdaindr[cnode])
+			panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n",
+			      __func__, sizeof(nodepda_t), SMP_CACHE_BYTES,
+			      cnode);
 		memset(nodepdaindr[cnode]->phys_cpuid, -1,
 		    sizeof(nodepdaindr[cnode]->phys_cpuid));
 		spin_lock_init(&nodepdaindr[cnode]->ptc_lock);
@@ -521,9 +525,15 @@ static void __init sn_init_pdas(char **cmdline_p)
 	/*
 	 * Allocate & initialize nodepda for TIOs.  For now, put them on node 0.
 	 */
-	for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++)
+	for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) {
 		nodepdaindr[cnode] =
 		    memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES, 0);
+		if (!nodepdaindr[cnode])
+			panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n",
+			      __func__, sizeof(nodepda_t), SMP_CACHE_BYTES,
+			      cnode);
+	}
+
 
 	/*
 	 * Now copy the array of nodepda pointers to each nodepda.
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index 6ffc204eb07d..6152f9f631d2 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -97,6 +97,10 @@ void __init atari_stram_reserve_pages(void *start_mem)
 		pr_debug("atari_stram pool: kernel in ST-RAM, using alloc_bootmem!\n");
 		stram_pool.start = (resource_size_t)memblock_alloc_low(pool_size,
 								       PAGE_SIZE);
+		if (!stram_pool.start)
+			panic("%s: Failed to allocate %lu bytes align=%lx\n",
+			      __func__, pool_size, PAGE_SIZE);
+
 		stram_pool.end = stram_pool.start + pool_size - 1;
 		request_resource(&iomem_resource, &stram_pool);
 		stram_virt_offset = 0;
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 933c33e76a48..8868a4c9adae 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -94,6 +94,9 @@ void __init paging_init(void)
 	high_memory = (void *) end_mem;
 
 	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up SFC/DFC registers (user data space).
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index 0de4999a3810..6cb1e41d58d0 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -44,7 +44,9 @@ void __init paging_init(void)
 	int i;
 
 	empty_zero_page = (void *) memblock_alloc(PAGE_SIZE, PAGE_SIZE);
-	memset((void *) empty_zero_page, 0, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	pg_dir = swapper_pg_dir;
 	memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir));
@@ -52,6 +54,9 @@ void __init paging_init(void)
 	size = num_pages * sizeof(pte_t);
 	size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
 	next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE);
+	if (!next_pgtable)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, size, PAGE_SIZE);
 
 	bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK;
 	pg_dir += PAGE_OFFSET >> PGDIR_SHIFT;
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 3f3d0bf36091..356601bf96d9 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -55,6 +55,9 @@ static pte_t * __init kernel_page_table(void)
 	pte_t *ptablep;
 
 	ptablep = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+	if (!ptablep)
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	clear_page(ptablep);
 	__flush_page_to_ram(ptablep);
@@ -96,6 +99,9 @@ static pmd_t * __init kernel_ptr_table(void)
 	if (((unsigned long)last_pgtable & ~PAGE_MASK) == 0) {
 		last_pgtable = (pmd_t *)memblock_alloc_low(PAGE_SIZE,
 							   PAGE_SIZE);
+		if (!last_pgtable)
+			panic("%s: Failed to allocate %lu bytes align=%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
 
 		clear_page(last_pgtable);
 		__flush_page_to_ram(last_pgtable);
@@ -278,6 +284,9 @@ void __init paging_init(void)
 	 * to a couple of allocated pages
 	 */
 	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	/*
 	 * Set up SFC/DFC registers
diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c
index f736db48a2e1..eca1c46bb90a 100644
--- a/arch/m68k/mm/sun3mmu.c
+++ b/arch/m68k/mm/sun3mmu.c
@@ -46,6 +46,9 @@ void __init paging_init(void)
 	unsigned long size;
 
 	empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	address = PAGE_OFFSET;
 	pg_dir = swapper_pg_dir;
@@ -56,6 +59,9 @@ void __init paging_init(void)
 	size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
 
 	next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE);
+	if (!next_pgtable)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, size, PAGE_SIZE);
 	bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK;
 
 	/* Map whole memory from PAGE_OFFSET (0x0E000000) */
diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c
index 4d64711d3d47..399f3d06125f 100644
--- a/arch/m68k/sun3/sun3dvma.c
+++ b/arch/m68k/sun3/sun3dvma.c
@@ -269,6 +269,9 @@ void __init dvma_init(void)
 
 	iommu_use = memblock_alloc(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long),
 				   SMP_CACHE_BYTES);
+	if (!iommu_use)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      IOMMU_TOTAL_ENTRIES * sizeof(unsigned long));
 
 	dvma_unmap_iommu(DVMA_START, DVMA_SIZE);
 
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 44f4b8910c21..7e97d44f6538 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -374,12 +374,14 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
 {
 	void *p;
 
-	if (mem_init_done)
+	if (mem_init_done) {
 		p = kzalloc(size, mask);
-	else {
+	} else {
 		p = memblock_alloc(size, SMP_CACHE_BYTES);
-		if (p)
-			memset(p, 0, size);
+		if (!p)
+			panic("%s: Failed to allocate %zu bytes\n",
+			      __func__, size);
 	}
+
 	return p;
 }
diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c
index e8eb60ed99f2..11d5a4e90736 100644
--- a/arch/mips/cavium-octeon/dma-octeon.c
+++ b/arch/mips/cavium-octeon/dma-octeon.c
@@ -245,6 +245,9 @@ void __init plat_swiotlb_setup(void)
 	swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT;
 
 	octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE);
+	if (!octeon_swiotlb)
+		panic("%s: Failed to allocate %zu bytes align=%lx\n",
+		      __func__, swiotlbsize, PAGE_SIZE);
 
 	if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM)
 		panic("Cannot allocate SWIOTLB buffer");
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 5151532ad959..8d1dc6c71173 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -919,6 +919,9 @@ static void __init resource_init(void)
 			end = HIGHMEM_START - 1;
 
 		res = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+		if (!res)
+			panic("%s: Failed to allocate %zu bytes\n", __func__,
+			      sizeof(struct resource));
 
 		res->start = start;
 		res->end = end;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 42d411125690..98ca55d62201 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2293,7 +2293,10 @@ void __init trap_init(void)
 		phys_addr_t ebase_pa;
 
 		ebase = (unsigned long)
-			memblock_alloc_from(size, 1 << fls(size), 0);
+			memblock_alloc(size, 1 << fls(size));
+		if (!ebase)
+			panic("%s: Failed to allocate %lu bytes align=0x%x\n",
+			      __func__, size, 1 << fls(size));
 
 		/*
 		 * Try to ensure ebase resides in KSeg0 if possible.
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index c3b45e248806..bbb196ad5f26 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -252,6 +252,11 @@ void __init fixrange_init(unsigned long start, unsigned long end,
 				if (pmd_none(*pmd)) {
 					pte = (pte_t *) memblock_alloc_low(PAGE_SIZE,
 									   PAGE_SIZE);
+					if (!pte)
+						panic("%s: Failed to allocate %lu bytes align=%lx\n",
+						      __func__, PAGE_SIZE,
+						      PAGE_SIZE);
+
 					set_pmd(pmd, __pmd((unsigned long)pte));
 					BUG_ON(pte != pte_offset_kernel(pmd, 0));
 				}
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index d1e521cce317..1d03633f89a9 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -79,6 +79,9 @@ static void __init map_ram(void)
 
 		/* Alloc one page for holding PTE's... */
 		pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+		if (!pte)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
 		set_pmd(pme, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
 
 		/* Fill the newly allocated page with PTE'S */
@@ -111,6 +114,9 @@ static void __init fixedrange_init(void)
 	pud = pud_offset(pgd, vaddr);
 	pmd = pmd_offset(pud, vaddr);
 	fixmap_pmd_p = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!fixmap_pmd_p)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 	set_pmd(pmd, __pmd(__pa(fixmap_pmd_p) + _PAGE_KERNEL_TABLE));
 
 #ifdef CONFIG_HIGHMEM
@@ -123,6 +129,9 @@ static void __init fixedrange_init(void)
 	pud = pud_offset(pgd, vaddr);
 	pmd = pmd_offset(pud, vaddr);
 	pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!pte)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 	set_pmd(pmd, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
 	pkmap_page_table = pte;
 #endif /* CONFIG_HIGHMEM */
@@ -148,6 +157,9 @@ void __init paging_init(void)
 
 	/* allocate space for empty_zero_page */
 	zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 	zone_sizes_init();
 
 	empty_zero_page = virt_to_page(zero_page);
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index d157310eb377..caeb4184e8a6 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -105,7 +105,10 @@ static void __init map_ram(void)
 			}
 
 			/* Alloc one page for holding PTE's... */
-			pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
+			pte = memblock_alloc_raw(PAGE_SIZE, PAGE_SIZE);
+			if (!pte)
+				panic("%s: Failed to allocate page for PTEs\n",
+				      __func__);
 			set_pmd(pme, __pmd(_KERNPG_TABLE + __pa(pte)));
 
 			/* Fill the newly allocated page with PTE'S */
diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c
index 051bcb4fefd3..a8509950dbbc 100644
--- a/arch/openrisc/mm/ioremap.c
+++ b/arch/openrisc/mm/ioremap.c
@@ -122,10 +122,14 @@ pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
-	if (likely(mem_init_done))
+	if (likely(mem_init_done)) {
 		pte = (pte_t *)get_zeroed_page(GFP_KERNEL);
-	else
+	} else {
 		pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+		if (!pte)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
+	}
 
 	return pte;
 }
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index e49bd5efcfe6..c66fd3ce6478 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -810,7 +810,6 @@ static int __init process_cpufeatures_node(unsigned long node,
 	int len;
 
 	f = &dt_cpu_features[i];
-	memset(f, 0, sizeof(struct dt_cpu_feature));
 
 	f->node = node;
 
@@ -1005,7 +1004,12 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char
 	/* Count and allocate space for cpu features */
 	of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes,
 						&nr_dt_cpu_features);
-	dt_cpu_features = __va(memblock_phys_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE));
+	dt_cpu_features = memblock_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE);
+	if (!dt_cpu_features)
+		panic("%s: Failed to allocate %zu bytes align=0x%lx\n",
+		      __func__,
+		      sizeof(struct dt_cpu_feature) * nr_dt_cpu_features,
+		      PAGE_SIZE);
 
 	cpufeatures_setup_start(isa);
 
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 8c890c6557ed..e7382abee868 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -196,7 +196,11 @@ void __init allocate_paca_ptrs(void)
 	paca_nr_cpu_ids = nr_cpu_ids;
 
 	paca_ptrs_size = sizeof(struct paca_struct *) * nr_cpu_ids;
-	paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, SMP_CACHE_BYTES));
+	paca_ptrs = memblock_alloc_raw(paca_ptrs_size, SMP_CACHE_BYTES);
+	if (!paca_ptrs)
+		panic("Failed to allocate %d bytes for paca pointers\n",
+		      paca_ptrs_size);
+
 	memset(paca_ptrs, 0x88, paca_ptrs_size);
 }
 
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index d3f04f2d8249..0417fda13636 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -205,6 +205,9 @@ pci_create_OF_bus_map(void)
 
 	of_prop = memblock_alloc(sizeof(struct property) + 256,
 				 SMP_CACHE_BYTES);
+	if (!of_prop)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(struct property) + 256);
 	dn = of_find_node_by_path("/");
 	if (dn) {
 		memset(of_prop, -1, sizeof(struct property) + 256);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4181ec715f88..4221527b082f 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -126,7 +126,10 @@ static void __init move_device_tree(void)
 	if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) ||
 	    !memblock_is_memory(start + size - 1) ||
 	    overlaps_crashkernel(start, size) || overlaps_initrd(start, size)) {
-		p = __va(memblock_phys_alloc(size, PAGE_SIZE));
+		p = memblock_alloc_raw(size, PAGE_SIZE);
+		if (!p)
+			panic("Failed to allocate %lu bytes to move device tree\n",
+			      size);
 		memcpy(p, initial_boot_params, size);
 		initial_boot_params = p;
 		DBG("Moved device tree to 0x%px\n", p);
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index de35bd8f047f..fbc676160adf 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -1187,7 +1187,11 @@ void __init rtas_initialize(void)
 		ibm_suspend_me_token = rtas_token("ibm,suspend-me");
 	}
 #endif
-	rtas_rmo_buf = memblock_alloc_base(RTAS_RMOBUF_MAX, PAGE_SIZE, rtas_region);
+	rtas_rmo_buf = memblock_phys_alloc_range(RTAS_RMOBUF_MAX, PAGE_SIZE,
+						 0, rtas_region);
+	if (!rtas_rmo_buf)
+		panic("ERROR: RTAS: Failed to allocate %lx bytes below %pa\n",
+		      PAGE_SIZE, &rtas_region);
 
 #ifdef CONFIG_RTAS_ERROR_LOGGING
 	rtas_last_error_token = rtas_token("rtas-last-error");
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index f17868e19e2c..2e5dfb6e0823 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -461,6 +461,9 @@ void __init smp_setup_cpu_maps(void)
 
 	cpu_to_phys_id = memblock_alloc(nr_cpu_ids * sizeof(u32),
 					__alignof__(u32));
+	if (!cpu_to_phys_id)
+		panic("%s: Failed to allocate %zu bytes align=0x%zx\n",
+		      __func__, nr_cpu_ids * sizeof(u32), __alignof__(u32));
 
 	for_each_node_by_type(dn, "cpu") {
 		const __be32 *intserv;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ff0aac42bb33..ba404dd9ce1d 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -905,6 +905,10 @@ static void __ref init_fallback_flush(void)
 	l1d_flush_fallback_area = memblock_alloc_try_nid(l1d_size * 2,
 						l1d_size, MEMBLOCK_LOW_LIMIT,
 						limit, NUMA_NO_NODE);
+	if (!l1d_flush_fallback_area)
+		panic("%s: Failed to allocate %llu bytes align=0x%llx max_addr=%pa\n",
+		      __func__, l1d_size * 2, l1d_size, &limit);
+
 
 	for_each_possible_cpu(cpu) {
 		struct paca_struct *paca = paca_ptrs[cpu];
diff --git a/arch/powerpc/lib/alloc.c b/arch/powerpc/lib/alloc.c
index dedf88a76f58..ce180870bd52 100644
--- a/arch/powerpc/lib/alloc.c
+++ b/arch/powerpc/lib/alloc.c
@@ -15,6 +15,9 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
 		p = kzalloc(size, mask);
 	else {
 		p = memblock_alloc(size, SMP_CACHE_BYTES);
+		if (!p)
+			panic("%s: Failed to allocate %zu bytes\n", __func__,
+			      size);
 	}
 	return p;
 }
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 3d4b2399192f..0a4f939a8161 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -882,8 +882,12 @@ static void __init htab_initialize(void)
 		}
 #endif /* CONFIG_PPC_CELL */
 
-		table = memblock_alloc_base(htab_size_bytes, htab_size_bytes,
-					    limit);
+		table = memblock_phys_alloc_range(htab_size_bytes,
+						  htab_size_bytes,
+						  0, limit);
+		if (!table)
+			panic("ERROR: Failed to allocate %pa bytes below %pa\n",
+			      &htab_size_bytes, &limit);
 
 		DBG("Hash table allocated at %lx, size: %lx\n", table,
 		    htab_size_bytes);
@@ -911,6 +915,9 @@ static void __init htab_initialize(void)
 		linear_map_hash_slots = memblock_alloc_try_nid(
 				linear_map_hash_count, 1, MEMBLOCK_LOW_LIMIT,
 				ppc64_rma_size,	NUMA_NO_NODE);
+		if (!linear_map_hash_slots)
+			panic("%s: Failed to allocate %lu bytes max_addr=%pa\n",
+			      __func__, linear_map_hash_count, &ppc64_rma_size);
 	}
 #endif /* CONFIG_DEBUG_PAGEALLOC */
 
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index 22d71a58167f..1945c5f19f5e 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -461,10 +461,19 @@ void __init mmu_context_init(void)
 	 * Allocate the maps used by context management
 	 */
 	context_map = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES);
+	if (!context_map)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      CTX_MAP_SIZE);
 	context_mm = memblock_alloc(sizeof(void *) * (LAST_CONTEXT + 1),
 				    SMP_CACHE_BYTES);
+	if (!context_mm)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(void *) * (LAST_CONTEXT + 1));
 #ifdef CONFIG_SMP
 	stale_map[boot_cpuid] = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES);
+	if (!stale_map[boot_cpuid])
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      CTX_MAP_SIZE);
 
 	cpuhp_setup_state_nocalls(CPUHP_POWERPC_MMU_CTX_PREPARE,
 				  "powerpc/mmu/ctx:prepare",
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index ac49e4158e50..f976676004ad 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -788,6 +788,10 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
 	int tnid;
 
 	nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
+	if (!nd_pa)
+		panic("Cannot allocate %zu bytes for node %d data\n",
+		      nd_size, nid);
+
 	nd = __va(nd_pa);
 
 	/* report and initialize */
diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c
index 53cbc7dc2df2..1032ef7aaf62 100644
--- a/arch/powerpc/mm/pgtable-book3e.c
+++ b/arch/powerpc/mm/pgtable-book3e.c
@@ -57,8 +57,16 @@ void vmemmap_remove_mapping(unsigned long start,
 
 static __ref void *early_alloc_pgtable(unsigned long size)
 {
-	return memblock_alloc_try_nid(size, size, MEMBLOCK_LOW_LIMIT,
-				      __pa(MAX_DMA_ADDRESS), NUMA_NO_NODE);
+	void *ptr;
+
+	ptr = memblock_alloc_try_nid(size, size, MEMBLOCK_LOW_LIMIT,
+				     __pa(MAX_DMA_ADDRESS), NUMA_NO_NODE);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%lx\n",
+		      __func__, size, size, __pa(MAX_DMA_ADDRESS));
+
+	return ptr;
 }
 
 /*
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index 92a3e4c39540..a4341aba0af4 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -197,6 +197,9 @@ void __init mmu_partition_table_init(void)
 	BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large.");
 	/* Initialize the Partition Table with no entries */
 	partition_tb = memblock_alloc(patb_size, patb_size);
+	if (!partition_tb)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, patb_size, patb_size);
 
 	/*
 	 * update partition table control register,
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index e377684ac6ad..154472a28c77 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -53,13 +53,20 @@ static __ref void *early_alloc_pgtable(unsigned long size, int nid,
 {
 	phys_addr_t min_addr = MEMBLOCK_LOW_LIMIT;
 	phys_addr_t max_addr = MEMBLOCK_ALLOC_ANYWHERE;
+	void *ptr;
 
 	if (region_start)
 		min_addr = region_start;
 	if (region_end)
 		max_addr = region_end;
 
-	return memblock_alloc_try_nid(size, size, min_addr, max_addr, nid);
+	ptr = memblock_alloc_try_nid(size, size, min_addr, max_addr, nid);
+
+	if (!ptr)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%pa max_addr=%pa\n",
+		      __func__, size, size, nid, &min_addr, &max_addr);
+
+	return ptr;
 }
 
 static int early_map_kernel_page(unsigned long ea, unsigned long pa,
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 6c8a60b1e31d..f29d2f118b44 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -340,6 +340,9 @@ void __init MMU_init_hw(void)
 	 */
 	if ( ppc_md.progress ) ppc_md.progress("hash:find piece", 0x322);
 	Hash = memblock_alloc(Hash_size, Hash_size);
+	if (!Hash)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, Hash_size, Hash_size);
 	_SDR1 = __pa(Hash) | SDR1_LOW_BITS;
 
 	Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size);
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 86368e238f6e..044c6089462c 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -211,6 +211,9 @@ static int __init iob_init(struct device_node *dn)
 	iob_l2_base = memblock_alloc_try_nid_raw(1UL << 21, 1UL << 21,
 					MEMBLOCK_LOW_LIMIT, 0x80000000,
 					NUMA_NO_NODE);
+	if (!iob_l2_base)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%x\n",
+		      __func__, 1UL << 21, 1UL << 21, 0x80000000);
 
 	pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base);
 
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index 9360cdc408c1..86989c5779c2 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -519,6 +519,9 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr)
 		return -EINVAL;
 	}
 	nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES);
+	if (!nvram_image)
+		panic("%s: Failed to allocate %u bytes\n", __func__,
+		      NVRAM_SIZE);
 	nvram_data = ioremap(addr, NVRAM_SIZE*2);
 	nvram_naddrs = 1; /* Make sure we get the correct case */
 
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 727a7de08635..2b0eca104f86 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -171,6 +171,9 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node,
 	 * Allocate a buffer to hold the MC recoverable ranges.
 	 */
 	mc_recoverable_range = memblock_alloc(size, __alignof__(u64));
+	if (!mc_recoverable_range)
+		panic("%s: Failed to allocate %u bytes align=0x%lx\n",
+		      __func__, size, __alignof__(u64));
 
 	for (i = 0; i < mc_recoverable_range_len; i++) {
 		mc_recoverable_range[i].start_addr =
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index fa6af52b5219..3ead4c237ed0 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3657,6 +3657,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
 	pr_debug("  PHB-ID  : 0x%016llx\n", phb_id);
 
 	phb = memblock_alloc(sizeof(*phb), SMP_CACHE_BYTES);
+	if (!phb)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*phb));
 
 	/* Allocate PCI controller */
 	phb->hose = hose = pcibios_alloc_controller(np);
@@ -3703,6 +3706,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
 		phb->diag_data_size = PNV_PCI_DIAG_BUF_SIZE;
 
 	phb->diag_data = memblock_alloc(phb->diag_data_size, SMP_CACHE_BYTES);
+	if (!phb->diag_data)
+		panic("%s: Failed to allocate %u bytes\n", __func__,
+		      phb->diag_data_size);
 
 	/* Parse 32-bit and IO ranges (if any) */
 	pci_process_bridge_OF_ranges(hose, np, !hose->global_number);
@@ -3762,6 +3768,8 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
 	pemap_off = size;
 	size += phb->ioda.total_pe_num * sizeof(struct pnv_ioda_pe);
 	aux = memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!aux)
+		panic("%s: Failed to allocate %lu bytes\n", __func__, size);
 	phb->ioda.pe_alloc = aux;
 	phb->ioda.m64_segmap = aux + m64map_off;
 	phb->ioda.m32_segmap = aux + m32map_off;
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 658bfab3350b..4ce5458eb0f8 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -127,6 +127,9 @@ static void __init prealloc(struct ps3_prealloc *p)
 		return;
 
 	p->address = memblock_alloc(p->size, p->align);
+	if (!p->address)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, p->size, p->align);
 
 	printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
 	       p->address);
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index fc5c5c23303e..2a751795ec1e 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -265,6 +265,9 @@ static void allocate_dart(void)
 	 * prefetching into invalid pages and corrupting data
 	 */
 	tmp = memblock_phys_alloc(DART_PAGE_SIZE, DART_PAGE_SIZE);
+	if (!tmp)
+		panic("DART: table allocation failed\n");
+
 	dart_emptyval = DARTMAP_VALID | ((tmp >> DART_PAGE_SHIFT) &
 					 DARTMAP_RPNMASK);
 
diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c
index d45450f6666a..51a679a1c403 100644
--- a/arch/powerpc/sysdev/msi_bitmap.c
+++ b/arch/powerpc/sysdev/msi_bitmap.c
@@ -129,6 +129,9 @@ int __ref msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count,
 		bmp->bitmap = kzalloc(size, GFP_KERNEL);
 	else {
 		bmp->bitmap = memblock_alloc(size, SMP_CACHE_BYTES);
+		if (!bmp->bitmap)
+			panic("%s: Failed to allocate %u bytes\n", __func__,
+			      size);
 		/* the bitmap won't be freed from memblock allocator */
 		kmemleak_not_leak(bmp->bitmap);
 	}
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 97eae3871868..f96a5857bbfd 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -61,6 +61,9 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu)
 	struct save_area *sa;
 
 	sa = (void *) memblock_phys_alloc(sizeof(*sa), 8);
+	if (!sa)
+		panic("Failed to allocate save area\n");
+
 	if (is_boot_cpu)
 		list_add(&sa->list, &dump_save_areas);
 	else
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 12934e8fbb91..2c642af526ce 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -378,6 +378,10 @@ static void __init setup_lowcore_dat_off(void)
 	 */
 	BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * PAGE_SIZE);
 	lc = memblock_alloc_low(sizeof(*lc), sizeof(*lc));
+	if (!lc)
+		panic("%s: Failed to allocate %zu bytes align=%zx\n",
+		      __func__, sizeof(*lc), sizeof(*lc));
+
 	lc->restart_psw.mask = PSW_KERNEL_BITS;
 	lc->restart_psw.addr = (unsigned long) restart_int_handler;
 	lc->external_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_MCHECK;
@@ -419,6 +423,9 @@ static void __init setup_lowcore_dat_off(void)
 	 * all CPUs in cast *one* of them does a PSW restart.
 	 */
 	restart_stack = memblock_alloc(THREAD_SIZE, THREAD_SIZE);
+	if (!restart_stack)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, THREAD_SIZE, THREAD_SIZE);
 	restart_stack += STACK_INIT_OFFSET;
 
 	/*
@@ -495,6 +502,9 @@ static void __init setup_resources(void)
 
 	for_each_memblock(memory, reg) {
 		res = memblock_alloc(sizeof(*res), 8);
+		if (!res)
+			panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+			      __func__, sizeof(*res), 8);
 		res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM;
 
 		res->name = "System RAM";
@@ -509,6 +519,9 @@ static void __init setup_resources(void)
 				continue;
 			if (std_res->end > res->end) {
 				sub_res = memblock_alloc(sizeof(*sub_res), 8);
+				if (!sub_res)
+					panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+					      __func__, sizeof(*sub_res), 8);
 				*sub_res = *std_res;
 				sub_res->end = res->end;
 				std_res->start = res->end + 1;
@@ -966,6 +979,9 @@ static void __init setup_randomness(void)
 
 	vmms = (struct sysinfo_3_2_2 *) memblock_phys_alloc(PAGE_SIZE,
 							    PAGE_SIZE);
+	if (!vmms)
+		panic("Failed to allocate memory for sysinfo structure\n");
+
 	if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
 		add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count);
 	memblock_free((unsigned long) vmms, PAGE_SIZE);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index b198ece2aad6..3fe1c77c361b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -656,7 +656,11 @@ void __init smp_save_dump_cpus(void)
 		/* No previous system present, normal boot. */
 		return;
 	/* Allocate a page as dumping area for the store status sigps */
-	page = memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, 1UL << 31);
+	page = memblock_phys_alloc_range(PAGE_SIZE, PAGE_SIZE, 0, 1UL << 31);
+	if (!page)
+		panic("ERROR: Failed to allocate %lx bytes below %lx\n",
+		      PAGE_SIZE, 1UL << 31);
+
 	/* Set multi-threading state to the previous system. */
 	pcpu_set_smt(sclp.mtid_prev);
 	boot_cpu_addr = stap();
@@ -766,6 +770,9 @@ void __init smp_detect_cpus(void)
 
 	/* Get CPU information */
 	info = memblock_alloc(sizeof(*info), 8);
+	if (!info)
+		panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+		      __func__, sizeof(*info), 8);
 	smp_get_core_info(info, 1);
 	/* Find boot CPU type */
 	if (sclp.has_core_type) {
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 8992b04c0ade..8964a3f60aad 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -520,6 +520,9 @@ static void __init alloc_masks(struct sysinfo_15_1_x *info,
 	nr_masks = max(nr_masks, 1);
 	for (i = 0; i < nr_masks; i++) {
 		mask->next = memblock_alloc(sizeof(*mask->next), 8);
+		if (!mask->next)
+			panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+			      __func__, sizeof(*mask->next), 8);
 		mask = mask->next;
 	}
 }
@@ -538,6 +541,9 @@ void __init topology_init_early(void)
 	if (!MACHINE_HAS_TOPOLOGY)
 		goto out;
 	tl_info = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!tl_info)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 	info = tl_info;
 	store_topology(info);
 	pr_info("The CPU configuration topology of the machine is: %d %d %d %d %d %d / %d\n",
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c
index bfba273c32c0..71a12a4f4906 100644
--- a/arch/s390/numa/mode_emu.c
+++ b/arch/s390/numa/mode_emu.c
@@ -313,6 +313,9 @@ static void __ref create_core_to_node_map(void)
 	int i;
 
 	emu_cores = memblock_alloc(sizeof(*emu_cores), 8);
+	if (!emu_cores)
+		panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+		      __func__, sizeof(*emu_cores), 8);
 	for (i = 0; i < ARRAY_SIZE(emu_cores->to_node_id); i++)
 		emu_cores->to_node_id[i] = NODE_ID_FREE;
 }
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index 2d1271e2a70d..8eb9e9743f5d 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -92,8 +92,12 @@ static void __init numa_setup_memory(void)
 	} while (cur_base < end_of_dram);
 
 	/* Allocate and fill out node_data */
-	for (nid = 0; nid < MAX_NUMNODES; nid++)
+	for (nid = 0; nid < MAX_NUMNODES; nid++) {
 		NODE_DATA(nid) = memblock_alloc(sizeof(pg_data_t), 8);
+		if (!NODE_DATA(nid))
+			panic("%s: Failed to allocate %zu bytes align=0x%x\n",
+			      __func__, sizeof(pg_data_t), 8);
+	}
 
 	for_each_online_node(nid) {
 		unsigned long start_pfn, end_pfn;
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 7899b4f51fdd..8301a4378f50 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -556,7 +556,10 @@ static void __init ap325rxa_mv_mem_reserve(void)
 	phys_addr_t phys;
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 3c59019c4695..34e5414c5563 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -1476,12 +1476,18 @@ static void __init ecovec_mv_mem_reserve(void)
 	phys_addr_t phys;
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU0 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu0_dma_membase = phys;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU1 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu1_dma_membase = phys;
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index b8bf67c86eab..1cf9a47ac90e 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -630,7 +630,10 @@ static void __init kfr2r09_mv_mem_reserve(void)
 	phys_addr_t phys;
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 03579faa4ce3..90702740f207 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -630,7 +630,10 @@ static void __init migor_mv_mem_reserve(void)
 	phys_addr_t phys;
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 13c2d3ce78f4..3674064816c7 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -963,12 +963,18 @@ static void __init ms7724se_mv_mem_reserve(void)
 	phys_addr_t phys;
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU0 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu0_dma_membase = phys;
 
-	phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU1 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu1_dma_membase = phys;
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index b9f9f1a5afdc..63d63a36f6f2 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -168,7 +168,8 @@ void __init reserve_crashkernel(void)
 	crash_size = PAGE_ALIGN(resource_size(&crashk_res));
 	if (!crashk_res.start) {
 		unsigned long max = memblock_end_of_DRAM() - memory_limit;
-		crashk_res.start = __memblock_alloc_base(crash_size, PAGE_SIZE, max);
+		crashk_res.start = memblock_phys_alloc_range(crash_size,
+							     PAGE_SIZE, 0, max);
 		if (!crashk_res.start) {
 			pr_err("crashkernel allocation failed\n");
 			goto disable;
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index a0fa4de03dd5..70621324db41 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -128,6 +128,9 @@ static pmd_t * __init one_md_table_init(pud_t *pud)
 		pmd_t *pmd;
 
 		pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+		if (!pmd)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
 		pud_populate(&init_mm, pud, pmd);
 		BUG_ON(pmd != pmd_offset(pud, 0));
 	}
@@ -141,6 +144,9 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
 		pte_t *pte;
 
 		pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+		if (!pte)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
 		pmd_populate_kernel(&init_mm, pmd, pte);
 		BUG_ON(pte != pte_offset_kernel(pmd, 0));
 	}
@@ -196,7 +202,7 @@ void __init allocate_pgdat(unsigned int nid)
 	get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
-	NODE_DATA(nid) = memblock_alloc_try_nid_nopanic(
+	NODE_DATA(nid) = memblock_alloc_try_nid(
 				sizeof(struct pglist_data),
 				SMP_CACHE_BYTES, MEMBLOCK_LOW_LIMIT,
 				MEMBLOCK_ALLOC_ACCESSIBLE, nid);
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index c4bde6148810..f7e4439deb17 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -43,6 +43,10 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 	/* Node-local pgdat */
 	NODE_DATA(nid) = memblock_alloc_node(sizeof(struct pglist_data),
 					     SMP_CACHE_BYTES, nid);
+	if (!NODE_DATA(nid))
+		panic("%s: Failed to allocate %zu bytes align=0x%x nid=%d\n",
+		      __func__, sizeof(struct pglist_data), SMP_CACHE_BYTES,
+		      nid);
 
 	NODE_DATA(nid)->node_start_pfn = start_pfn;
 	NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn;
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index 42d7f2a7da6d..869b16c96157 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -32,9 +32,9 @@ void * __init prom_early_alloc(unsigned long size)
 {
 	void *ret;
 
-	ret = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL);
-	if (ret != NULL)
-		memset(ret, 0, size);
+	ret = memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!ret)
+		panic("%s: Failed to allocate %lu bytes\n", __func__, size);
 
 	prom_early_allocated += size;
 
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 51c4d12c0853..fd2182a5c32d 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -624,8 +624,14 @@ void __init alloc_irqstack_bootmem(void)
 
 		softirq_stack[i] = memblock_alloc_node(THREAD_SIZE,
 						       THREAD_SIZE, node);
+		if (!softirq_stack[i])
+			panic("%s: Failed to allocate %lu bytes align=%lx nid=%d\n",
+			      __func__, THREAD_SIZE, THREAD_SIZE, node);
 		hardirq_stack[i] = memblock_alloc_node(THREAD_SIZE,
 						       THREAD_SIZE, node);
+		if (!hardirq_stack[i])
+			panic("%s: Failed to allocate %lu bytes align=%lx nid=%d\n",
+			      __func__, THREAD_SIZE, THREAD_SIZE, node);
 	}
 }
 
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index f45d876983f1..a8275fea4b70 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1628,6 +1628,8 @@ static void __init pcpu_populate_pte(unsigned long addr)
 		pud_t *new;
 
 		new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+		if (!new)
+			goto err_alloc;
 		pgd_populate(&init_mm, pgd, new);
 	}
 
@@ -1636,6 +1638,8 @@ static void __init pcpu_populate_pte(unsigned long addr)
 		pmd_t *new;
 
 		new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+		if (!new)
+			goto err_alloc;
 		pud_populate(&init_mm, pud, new);
 	}
 
@@ -1644,8 +1648,16 @@ static void __init pcpu_populate_pte(unsigned long addr)
 		pte_t *new;
 
 		new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+		if (!new)
+			goto err_alloc;
 		pmd_populate_kernel(&init_mm, pmd, new);
 	}
+
+	return;
+
+err_alloc:
+	panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
+	      __func__, PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
 }
 
 void __init setup_per_cpu_areas(void)
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index d900952bfc5f..a8ff29821bdb 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -264,7 +264,7 @@ void __init mem_init(void)
 	i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5);
 	i += 1;
 	sparc_valid_addr_bitmap = (unsigned long *)
-		memblock_alloc_from(i << 2, SMP_CACHE_BYTES, 0UL);
+		memblock_alloc(i << 2, SMP_CACHE_BYTES);
 
 	if (sparc_valid_addr_bitmap == NULL) {
 		prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n");
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index ef340e8f209f..f2d70ff7a284 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1809,6 +1809,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart,
 
 			new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE,
 						  PAGE_SIZE);
+			if (!new)
+				goto err_alloc;
 			alloc_bytes += PAGE_SIZE;
 			pgd_populate(&init_mm, pgd, new);
 		}
@@ -1822,6 +1824,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart,
 			}
 			new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE,
 						  PAGE_SIZE);
+			if (!new)
+				goto err_alloc;
 			alloc_bytes += PAGE_SIZE;
 			pud_populate(&init_mm, pud, new);
 		}
@@ -1836,6 +1840,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart,
 			}
 			new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE,
 						  PAGE_SIZE);
+			if (!new)
+				goto err_alloc;
 			alloc_bytes += PAGE_SIZE;
 			pmd_populate_kernel(&init_mm, pmd, new);
 		}
@@ -1855,6 +1861,11 @@ static unsigned long __ref kernel_map_range(unsigned long pstart,
 	}
 
 	return alloc_bytes;
+
+err_alloc:
+	panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
+	      __func__, PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+	return -ENOMEM;
 }
 
 static void __init flush_all_kernel_tsbs(void)
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index b609362e846f..aaebbc00d262 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -303,13 +303,19 @@ static void __init srmmu_nocache_init(void)
 
 	bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT;
 
-	srmmu_nocache_pool = memblock_alloc_from(srmmu_nocache_size,
-						 SRMMU_NOCACHE_ALIGN_MAX, 0UL);
+	srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size,
+					    SRMMU_NOCACHE_ALIGN_MAX);
+	if (!srmmu_nocache_pool)
+		panic("%s: Failed to allocate %lu bytes align=0x%x\n",
+		      __func__, srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX);
 	memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
 
 	srmmu_nocache_bitmap =
-		memblock_alloc_from(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
-				    SMP_CACHE_BYTES, 0UL);
+		memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
+			       SMP_CACHE_BYTES);
+	if (!srmmu_nocache_bitmap)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      BITS_TO_LONGS(bitmap_bits) * sizeof(long));
 	bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
 
 	srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE);
@@ -467,7 +473,9 @@ static void __init sparc_context_init(int numctx)
 	unsigned long size;
 
 	size = numctx * sizeof(struct ctx_list);
-	ctx_list_pool = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL);
+	ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!ctx_list_pool)
+		panic("%s: Failed to allocate %lu bytes\n", __func__, size);
 
 	for (ctx = 0; ctx < numctx; ctx++) {
 		struct ctx_list *clist;
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index d80cfb1d9430..6e5be5fb4143 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -649,6 +649,9 @@ static int __init eth_setup(char *str)
 	}
 
 	new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES);
+	if (!new)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*new));
 
 	INIT_LIST_HEAD(&new->list);
 	new->index = n;
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 046fa9ea0ccc..596e7056f376 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -1576,6 +1576,9 @@ static int __init vector_setup(char *str)
 		return 1;
 	}
 	new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES);
+	if (!new)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*new));
 	INIT_LIST_HEAD(&new->list);
 	new->unit = n;
 	new->arguments = str;
diff --git a/arch/um/kernel/initrd.c b/arch/um/kernel/initrd.c
index ce169ea87e61..1dcd310cb34d 100644
--- a/arch/um/kernel/initrd.c
+++ b/arch/um/kernel/initrd.c
@@ -37,6 +37,8 @@ int __init read_initrd(void)
 	}
 
 	area = memblock_alloc(size, SMP_CACHE_BYTES);
+	if (!area)
+		panic("%s: Failed to allocate %llu bytes\n", __func__, size);
 
 	if (load_initrd(initrd, area, size) == -1)
 		return 0;
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 799b571a8f88..99aa11bf53d1 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -66,6 +66,10 @@ static void __init one_page_table_init(pmd_t *pmd)
 	if (pmd_none(*pmd)) {
 		pte_t *pte = (pte_t *) memblock_alloc_low(PAGE_SIZE,
 							  PAGE_SIZE);
+		if (!pte)
+			panic("%s: Failed to allocate %lu bytes align=%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
+
 		set_pmd(pmd, __pmd(_KERNPG_TABLE +
 					   (unsigned long) __pa(pte)));
 		if (pte != pte_offset_kernel(pmd, 0))
@@ -77,6 +81,10 @@ static void __init one_md_table_init(pud_t *pud)
 {
 #ifdef CONFIG_3_LEVEL_PGTABLES
 	pmd_t *pmd_table = (pmd_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+	if (!pmd_table)
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
+
 	set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table)));
 	if (pmd_table != pmd_offset(pud, 0))
 		BUG();
@@ -126,6 +134,10 @@ static void __init fixaddr_user_init( void)
 
 	fixrange_init( FIXADDR_USER_START, FIXADDR_USER_END, swapper_pg_dir);
 	v = (unsigned long) memblock_alloc_low(size, PAGE_SIZE);
+	if (!v)
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
+		      __func__, size, PAGE_SIZE);
+
 	memcpy((void *) v , (void *) FIXADDR_USER_START, size);
 	p = __pa(v);
 	for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE,
@@ -146,6 +158,10 @@ void __init paging_init(void)
 
 	empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE,
 							       PAGE_SIZE);
+	if (!empty_zero_page)
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
+
 	for (i = 0; i < ARRAY_SIZE(zones_size); i++)
 		zones_size[i] = 0;
 
diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c
index 4b0cb68c355a..d3239cf2e837 100644
--- a/arch/unicore32/kernel/setup.c
+++ b/arch/unicore32/kernel/setup.c
@@ -207,6 +207,10 @@ request_standard_resources(struct meminfo *mi)
 			continue;
 
 		res = memblock_alloc_low(sizeof(*res), SMP_CACHE_BYTES);
+		if (!res)
+			panic("%s: Failed to allocate %zu bytes align=%x\n",
+			      __func__, sizeof(*res), SMP_CACHE_BYTES);
+
 		res->name  = "System RAM";
 		res->start = mi->bank[i].start;
 		res->end   = mi->bank[i].start + mi->bank[i].size - 1;
diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c
index a40219291965..aa2060beb408 100644
--- a/arch/unicore32/mm/mmu.c
+++ b/arch/unicore32/mm/mmu.c
@@ -145,8 +145,13 @@ static pte_t * __init early_pte_alloc(pmd_t *pmd, unsigned long addr,
 		unsigned long prot)
 {
 	if (pmd_none(*pmd)) {
-		pte_t *pte = memblock_alloc(PTRS_PER_PTE * sizeof(pte_t),
-					    PTRS_PER_PTE * sizeof(pte_t));
+		size_t size = PTRS_PER_PTE * sizeof(pte_t);
+		pte_t *pte = memblock_alloc(size, size);
+
+		if (!pte)
+			panic("%s: Failed to allocate %zu bytes align=%zx\n",
+			      __func__, size, size);
+
 		__pmd_populate(pmd, __pa(pte) | prot);
 	}
 	BUG_ON(pmd_bad(*pmd));
@@ -349,6 +354,9 @@ static void __init devicemaps_init(void)
 	 * Allocate the vector page early.
 	 */
 	vectors = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!vectors)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE)
 		pmd_clear(pmd_off_k(addr));
@@ -426,6 +434,9 @@ void __init paging_init(void)
 
 	/* allocate the zero page. */
 	zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (!zero_page)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	bootmem_init();
 
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 2624de16cd7a..8dcbf6890714 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -935,6 +935,9 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table)
 #define HPET_RESOURCE_NAME_SIZE 9
 	hpet_res = memblock_alloc(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE,
 				  SMP_CACHE_BYTES);
+	if (!hpet_res)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);
 
 	hpet_res->name = (void *)&hpet_res[1];
 	hpet_res->flags = IORESOURCE_MEM;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 264e3221d923..53aa234a6803 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2581,6 +2581,8 @@ static struct resource * __init ioapic_setup_resources(void)
 	n *= nr_ioapics;
 
 	mem = memblock_alloc(n, SMP_CACHE_BYTES);
+	if (!mem)
+		panic("%s: Failed to allocate %lu bytes\n", __func__, n);
 	res = (void *)mem;
 
 	mem += sizeof(struct resource) * nr_ioapics;
@@ -2625,6 +2627,9 @@ fake_ioapic_page:
 #endif
 			ioapic_phys = (unsigned long)memblock_alloc(PAGE_SIZE,
 								    PAGE_SIZE);
+			if (!ioapic_phys)
+				panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+				      __func__, PAGE_SIZE, PAGE_SIZE);
 			ioapic_phys = __pa(ioapic_phys);
 		}
 		set_fixmap_nocache(idx, ioapic_phys);
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 666e4af145a2..2879e234e193 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -776,7 +776,7 @@ u64 __init e820__memblock_alloc_reserved(u64 size, u64 align)
 {
 	u64 addr;
 
-	addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
+	addr = memblock_phys_alloc(size, align);
 	if (addr) {
 		e820__range_update_kexec(addr, size, E820_TYPE_RAM, E820_TYPE_RESERVED);
 		pr_info("update e820_table_kexec for e820__memblock_alloc_reserved()\n");
@@ -1097,6 +1097,9 @@ void __init e820__reserve_resources(void)
 
 	res = memblock_alloc(sizeof(*res) * e820_table->nr_entries,
 			     SMP_CACHE_BYTES);
+	if (!res)
+		panic("%s: Failed to allocate %zu bytes\n", __func__,
+		      sizeof(*res) * e820_table->nr_entries);
 	e820_res = res;
 
 	for (i = 0; i < e820_table->nr_entries; i++) {
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 13af08827eef..4bf46575568a 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -106,22 +106,22 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
 	void *ptr;
 
 	if (!node_online(node) || !NODE_DATA(node)) {
-		ptr = memblock_alloc_from_nopanic(size, align, goal);
+		ptr = memblock_alloc_from(size, align, goal);
 		pr_info("cpu %d has no node %d or node-local memory\n",
 			cpu, node);
 		pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n",
 			 cpu, size, __pa(ptr));
 	} else {
-		ptr = memblock_alloc_try_nid_nopanic(size, align, goal,
-						     MEMBLOCK_ALLOC_ACCESSIBLE,
-						     node);
+		ptr = memblock_alloc_try_nid(size, align, goal,
+					     MEMBLOCK_ALLOC_ACCESSIBLE,
+					     node);
 
 		pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
 			 cpu, size, node, __pa(ptr));
 	}
 	return ptr;
 #else
-	return memblock_alloc_from_nopanic(size, align, goal);
+	return memblock_alloc_from(size, align, goal);
 #endif
 }
 
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 462fde83b515..8dc0fc0b1382 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -24,14 +24,16 @@ extern struct range pfn_mapped[E820_MAX_ENTRIES];
 
 static p4d_t tmp_p4d_table[MAX_PTRS_PER_P4D] __initdata __aligned(PAGE_SIZE);
 
-static __init void *early_alloc(size_t size, int nid, bool panic)
+static __init void *early_alloc(size_t size, int nid, bool should_panic)
 {
-	if (panic)
-		return memblock_alloc_try_nid(size, size,
-			__pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
-	else
-		return memblock_alloc_try_nid_nopanic(size, size,
+	void *ptr = memblock_alloc_try_nid(size, size,
 			__pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
+
+	if (!ptr && should_panic)
+		panic("%pS: Failed to allocate page, nid=%d from=%lx\n",
+		      (void *)_RET_IP_, nid, __pa(MAX_DMA_ADDRESS));
+
+	return ptr;
 }
 
 static void __init kasan_populate_pmd(pmd_t *pmd, unsigned long addr,
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 12c1b7a83ed7..dfb6c4df639a 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -195,15 +195,11 @@ static void __init alloc_node_data(int nid)
 	 * Allocate node data.  Try node-local memory and then any node.
 	 * Never allocate in DMA zone.
 	 */
-	nd_pa = memblock_phys_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
+	nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
 	if (!nd_pa) {
-		nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES,
-					      MEMBLOCK_ALLOC_ACCESSIBLE);
-		if (!nd_pa) {
-			pr_err("Cannot find %zu bytes in any node (initial node: %d)\n",
-			       nd_size, nid);
-			return;
-		}
+		pr_err("Cannot find %zu bytes in any node (initial node: %d)\n",
+		       nd_size, nid);
+		return;
 	}
 	nd = __va(nd_pa);
 
diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
index b4ab779f1d47..ac9e7bf49b66 100644
--- a/arch/x86/platform/olpc/olpc_dt.c
+++ b/arch/x86/platform/olpc/olpc_dt.c
@@ -141,6 +141,9 @@ void * __init prom_early_alloc(unsigned long size)
 		 * wasted bootmem) and hand off chunks of it to callers.
 		 */
 		res = memblock_alloc(chunk_size, SMP_CACHE_BYTES);
+		if (!res)
+			panic("%s: Failed to allocate %zu bytes\n", __func__,
+			      chunk_size);
 		BUG_ON(!res);
 		prom_early_allocated += chunk_size;
 		memset(res, 0, chunk_size);
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 055e37e43541..95ce9b5be411 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -181,8 +181,15 @@ static void p2m_init_identity(unsigned long *p2m, unsigned long pfn)
 
 static void * __ref alloc_p2m_page(void)
 {
-	if (unlikely(!slab_is_available()))
-		return memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (unlikely(!slab_is_available())) {
+		void *ptr = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+
+		if (!ptr)
+			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+			      __func__, PAGE_SIZE, PAGE_SIZE);
+
+		return ptr;
+	}
 
 	return (void *)__get_free_page(GFP_KERNEL);
 }
diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c
index 1734cda6bc4a..af7152560bc3 100644
--- a/arch/xtensa/mm/kasan_init.c
+++ b/arch/xtensa/mm/kasan_init.c
@@ -45,6 +45,10 @@ static void __init populate(void *start, void *end)
 	pmd_t *pmd = pmd_offset(pgd, vaddr);
 	pte_t *pte = memblock_alloc(n_pages * sizeof(pte_t), PAGE_SIZE);
 
+	if (!pte)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, n_pages * sizeof(pte_t), PAGE_SIZE);
+
 	pr_debug("%s: %p - %p\n", __func__, start, end);
 
 	for (i = j = 0; i < n_pmds; ++i) {
@@ -52,8 +56,10 @@ static void __init populate(void *start, void *end)
 
 		for (k = 0; k < PTRS_PER_PTE; ++k, ++j) {
 			phys_addr_t phys =
-				memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
-						    MEMBLOCK_ALLOC_ANYWHERE);
+				memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE);
+
+			if (!phys)
+				panic("Failed to allocate page table page\n");
 
 			set_pte(pte + j, pfn_pte(PHYS_PFN(phys), PAGE_KERNEL));
 		}
diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c
index a4dcfd39bc5c..2fb7d1172228 100644
--- a/arch/xtensa/mm/mmu.c
+++ b/arch/xtensa/mm/mmu.c
@@ -32,6 +32,9 @@ static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages)
 		 __func__, vaddr, n_pages);
 
 	pte = memblock_alloc_low(n_pages * sizeof(pte_t), PAGE_SIZE);
+	if (!pte)
+		panic("%s: Failed to allocate %zu bytes align=%lx\n",
+		      __func__, n_pages * sizeof(pte_t), PAGE_SIZE);
 
 	for (i = 0; i < n_pages; ++i)
 		pte_clear(NULL, 0, pte + i);