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mm/memblock.c: use PFN_DOWN 

Replace ((x) >> PAGE_SHIFT) with the pfn macro.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fabian Frederick 2014-06-04 16:07:51 -07:00 committed by Linus Torvalds
parent c8e861a531
commit f7e2f7e896
1 changed files with 2 additions and 3 deletions
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5
mm/memblock.c
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@ -1402,9 +1402,8 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
if (mid == -1)
return -1;
*start_pfn = type->regions[mid].base >> PAGE_SHIFT;
*end_pfn = (type->regions[mid].base + type->regions[mid].size)
>> PAGE_SHIFT;
*start_pfn = PFN_DOWN(type->regions[mid].base);
*end_pfn = PFN_DOWN(type->regions[mid].base + type->regions[mid].size);
return type->regions[mid].nid;
}