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authorKyle McMartin <kyle@parisc-linux.org>2007-02-17 00:18:23 -0500
committerKyle McMartin <kyle@parisc-linux.org>2007-02-17 00:18:23 -0500
commite7b3ca08549caccf5d6e1cf066780bf4f0ae77a7 (patch)
tree7e5745bea06675cfce60d6813ee3b4d5e19cbb56 /arch/parisc/mm
parent62d0cfcb27cf755cebdc93ca95dabc83608007cd (diff)
parentcb6efb39163bfb6bb6475fa7c8a5e08e44dbf14a (diff)
downloadlinux-e7b3ca08549caccf5d6e1cf066780bf4f0ae77a7.tar.gz
Merge branch 'parisc' from /home/kyle/repos/parisc-2.6.git
Conflicts:

	arch/parisc/hpux/sys_hpux.c
	arch/parisc/mm/ioremap.c
Diffstat (limited to 'arch/parisc/mm')
-rw-r--r--arch/parisc/mm/init.c64
-rw-r--r--arch/parisc/mm/ioremap.c6
-rw-r--r--arch/parisc/mm/kmap.c166
3 files changed, 65 insertions, 171 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 0667f2b4f977..fc49a5ed78cc 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -24,6 +24,7 @@
 #include <linux/pagemap.h>	/* for release_pages and page_cache_release */
 
 #include <asm/pgalloc.h>
+#include <asm/pgtable.h>
 #include <asm/tlb.h>
 #include <asm/pdc_chassis.h>
 #include <asm/mmzone.h>
@@ -453,6 +454,8 @@ unsigned long pcxl_dma_start __read_mostly;
 
 void __init mem_init(void)
 {
+	int codesize, reservedpages, datasize, initsize;
+
 	high_memory = __va((max_pfn << PAGE_SHIFT));
 
 #ifndef CONFIG_DISCONTIGMEM
@@ -467,7 +470,32 @@ void __init mem_init(void)
 	}
 #endif
 
-	printk(KERN_INFO "Memory: %luk available\n", num_physpages << (PAGE_SHIFT-10));
+	codesize = (unsigned long)_etext - (unsigned long)_text;
+	datasize = (unsigned long)_edata - (unsigned long)_etext;
+	initsize = (unsigned long)__init_end - (unsigned long)__init_begin;
+
+	reservedpages = 0;
+{
+	unsigned long pfn;
+#ifdef CONFIG_DISCONTIGMEM
+	int i;
+
+	for (i = 0; i < npmem_ranges; i++) {
+		for (pfn = node_start_pfn(i); pfn < node_end_pfn(i); pfn++) {
+			if (PageReserved(pfn_to_page(pfn)))
+				reservedpages++;
+		}
+	}
+#else /* !CONFIG_DISCONTIGMEM */
+	for (pfn = 0; pfn < max_pfn; pfn++) {
+		/*
+		 * Only count reserved RAM pages
+		 */
+		if (PageReserved(pfn_to_page(pfn)))
+			reservedpages++;
+	}
+#endif
+}
 
 #ifdef CONFIG_PA11
 	if (hppa_dma_ops == &pcxl_dma_ops) {
@@ -481,6 +509,38 @@ void __init mem_init(void)
 	vmalloc_start = SET_MAP_OFFSET(MAP_START);
 #endif
 
+	printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n",
+		(unsigned long)nr_free_pages() << (PAGE_SHIFT-10),
+		num_physpages << (PAGE_SHIFT-10),
+		codesize >> 10,
+		reservedpages << (PAGE_SHIFT-10),
+		datasize >> 10,
+		initsize >> 10
+	);
+
+#ifdef CONFIG_DEBUG_KERNEL /* double-sanity-check paranoia */
+	printk("virtual kernel memory layout:\n"
+	       "    vmalloc : 0x%p - 0x%p   (%4ld MB)\n"
+	       "    memory  : 0x%p - 0x%p   (%4ld MB)\n"
+	       "      .init : 0x%p - 0x%p   (%4ld kB)\n"
+	       "      .data : 0x%p - 0x%p   (%4ld kB)\n"
+	       "      .text : 0x%p - 0x%p   (%4ld kB)\n",
+
+	       (void*)VMALLOC_START, (void*)VMALLOC_END,
+	       (VMALLOC_END - VMALLOC_START) >> 20,
+
+	       __va(0), high_memory,
+	       ((unsigned long)high_memory - (unsigned long)__va(0)) >> 20,
+
+	       __init_begin, __init_end,
+	       ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10,
+
+	       _etext, _edata,
+	       ((unsigned long)_edata - (unsigned long)_etext) >> 10,
+
+	       _text, _etext,
+	       ((unsigned long)_etext - (unsigned long)_text) >> 10);
+#endif
 }
 
 unsigned long *empty_zero_page __read_mostly;
@@ -548,7 +608,7 @@ void show_mem(void)
 
 				printk("Zone list for zone %d on node %d: ", j, i);
 				for (k = 0; zl->zones[k] != NULL; k++) 
-					printk("[%d/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name);
+					printk("[%ld/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name);
 				printk("\n");
 			}
 		}
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index 44b42c7f639d..92d496ad07c9 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -26,7 +26,7 @@
  */
 void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags)
 {
-	void *addr;
+	void __iomem *addr;
 	struct vm_struct *area;
 	unsigned long offset, last_addr;
 	pgprot_t pgprot;
@@ -80,14 +80,14 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
 	if (!area)
 		return NULL;
 
-	addr = area->addr;
+	addr = (void __iomem *) area->addr;
 	if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size,
 			       phys_addr, pgprot)) {
 		vfree(addr);
 		return NULL;
 	}
 
-	return (void __iomem *) (offset + (char *)addr);
+	return (void __iomem *) (offset + (char __iomem *)addr);
 }
 EXPORT_SYMBOL(__ioremap);
 
diff --git a/arch/parisc/mm/kmap.c b/arch/parisc/mm/kmap.c
deleted file mode 100644
index 1b1acd5e2f6e..000000000000
--- a/arch/parisc/mm/kmap.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/* 
- *    kmap/page table map and unmap support routines
- *
- *    Copyright 1999,2000 Hewlett-Packard Company
- *    Copyright 2000 John Marvin <jsm at hp.com>
- *    Copyright 2000 Grant Grundler <grundler at parisc-linux.org>
- *    Copyright 2000 Philipp Rumpf <prumpf@tux.org>
- *
- *
- *    This program is free software; you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation; either version 2 of the License, or
- *    (at your option) any later version.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- *
- *    You should have received a copy of the GNU General Public License
- *    along with this program; if not, write to the Free Software
- *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-/*
-** Stolen mostly from arch/parisc/kernel/pci-dma.c
-*/
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/pci.h>
-
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
-
-#include <asm/io.h>
-#include <asm/page.h>		/* get_order */
-
-#undef flush_cache_all
-#define flush_cache_all flush_all_caches
-
-typedef void (*pte_iterator_t) (pte_t * pte, unsigned long arg);
-
-#if 0
-/* XXX This routine could be used with iterate_page() to replace
- * unmap_uncached_page() and save a little code space but I didn't
- * do that since I'm not certain whether this is the right path. -PB
- */
-static void unmap_cached_pte(pte_t * pte, unsigned long addr, unsigned long arg)
-{
-	pte_t page = *pte;
-	pte_clear(&init_mm, addr, pte);
-	if (!pte_none(page)) {
-		if (pte_present(page)) {
-			unsigned long map_nr = pte_pagenr(page);
-			if (map_nr < max_mapnr)
-				__free_page(mem_map + map_nr);
-		} else {
-			printk(KERN_CRIT
-			       "Whee.. Swapped out page in kernel page table\n");
-		}
-	}
-}
-#endif
-
-/* These two routines should probably check a few things... */
-static void set_uncached(pte_t * pte, unsigned long arg)
-{
-	pte_val(*pte) |= _PAGE_NO_CACHE;
-}
-
-static void set_cached(pte_t * pte, unsigned long arg)
-{
-	pte_val(*pte) &= ~_PAGE_NO_CACHE;
-}
-
-static inline void iterate_pte(pmd_t * pmd, unsigned long address,
-			       unsigned long size, pte_iterator_t op,
-			       unsigned long arg)
-{
-	pte_t *pte;
-	unsigned long end;
-
-	if (pmd_none(*pmd))
-		return;
-	if (pmd_bad(*pmd)) {
-		pmd_ERROR(*pmd);
-		pmd_clear(pmd);
-		return;
-	}
-	pte = pte_offset(pmd, address);
-	address &= ~PMD_MASK;
-	end = address + size;
-	if (end > PMD_SIZE)
-		end = PMD_SIZE;
-	do {
-		op(pte, arg);
-		address += PAGE_SIZE;
-		pte++;
-	} while (address < end);
-}
-
-static inline void iterate_pmd(pgd_t * dir, unsigned long address,
-			       unsigned long size, pte_iterator_t op,
-			       unsigned long arg)
-{
-	pmd_t *pmd;
-	unsigned long end;
-
-	if (pgd_none(*dir))
-		return;
-	if (pgd_bad(*dir)) {
-		pgd_ERROR(*dir);
-		pgd_clear(dir);
-		return;
-	}
-	pmd = pmd_offset(dir, address);
-	address &= ~PGDIR_MASK;
-	end = address + size;
-	if (end > PGDIR_SIZE)
-		end = PGDIR_SIZE;
-	do {
-		iterate_pte(pmd, address, end - address, op, arg);
-		address = (address + PMD_SIZE) & PMD_MASK;
-		pmd++;
-	} while (address < end);
-}
-
-static void iterate_pages(unsigned long address, unsigned long size,
-			  pte_iterator_t op, unsigned long arg)
-{
-	pgd_t *dir;
-	unsigned long end = address + size;
-
-	dir = pgd_offset_k(address);
-	flush_cache_all();
-	do {
-		iterate_pmd(dir, address, end - address, op, arg);
-		address = (address + PGDIR_SIZE) & PGDIR_MASK;
-		dir++;
-	} while (address && (address < end));
-	flush_tlb_all();
-}
-
-void
-kernel_set_cachemode(unsigned long vaddr, unsigned long size, int what)
-{
-	switch (what) {
-	case IOMAP_FULL_CACHING:
-		iterate_pages(vaddr, size, set_cached, 0);
-		flush_tlb_range(NULL, vaddr, size);
-		break;
-	case IOMAP_NOCACHE_SER:
-		iterate_pages(vaddr, size, set_uncached, 0);
-		flush_tlb_range(NULL, vaddr, size);
-		break;
-	default:
-		printk(KERN_CRIT
-		       "kernel_set_cachemode mode %d not understood\n",
-		       what);
-		break;
-	}
-}