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author | Mike Rapoport <rppt@linux.ibm.com> | 2020-10-13 16:58:03 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-13 18:38:35 -0700 |
commit | c9118e6c37bff9ade90b638207a6e0db676ee6a9 (patch) | |
tree | 03257bad7be1ed3d71fcd15b88d088c5c90f5aef /mm/sparse.c | |
parent | 6e245ad4a17ab92dba63406d3f517520a86c0a80 (diff) | |
download | linux-c9118e6c37bff9ade90b638207a6e0db676ee6a9.tar.gz |
arch, mm: replace for_each_memblock() with for_each_mem_pfn_range()
There are several occurrences of the following pattern: for_each_memblock(memory, reg) { start_pfn = memblock_region_memory_base_pfn(reg); end_pfn = memblock_region_memory_end_pfn(reg); /* do something with start_pfn and end_pfn */ } Rather than iterate over all memblock.memory regions and each time query for their start and end PFNs, use for_each_mem_pfn_range() iterator to get simpler and clearer code. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Baoquan He <bhe@redhat.com> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> [.clang-format] Cc: Andy Lutomirski <luto@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Axtens <dja@axtens.net> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Emil Renner Berthing <kernel@esmil.dk> Cc: Hari Bathini <hbathini@linux.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: https://lkml.kernel.org/r/20200818151634.14343-12-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/sparse.c')
-rw-r--r-- | mm/sparse.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index fcc3d176f1ea..b25ad8e64839 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -291,13 +291,11 @@ static void __init memory_present(int nid, unsigned long start, unsigned long en */ static void __init memblocks_present(void) { - struct memblock_region *reg; + unsigned long start, end; + int i, nid; - for_each_memblock(memory, reg) { - memory_present(memblock_get_region_node(reg), - memblock_region_memory_base_pfn(reg), - memblock_region_memory_end_pfn(reg)); - } + for_each_mem_pfn_range(i, MAX_NUMNODES, &start, &end, &nid) + memory_present(nid, start, end); } /* |