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mm/page_isolation: use macro to judge the alignment 

Signed-off-by: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Naoya Horiguchi 2016-01-14 15:22:13 -08:00 committed by Linus Torvalds
parent 543dfb2df8
commit fec174d669
1 changed files with 2 additions and 2 deletions
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4
mm/page_isolation.c
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@ -165,8 +165,8 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned long undo_pfn;
struct page *page;
BUG_ON((start_pfn) & (pageblock_nr_pages - 1));
BUG_ON((end_pfn) & (pageblock_nr_pages - 1));
BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages));
BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));
for (pfn = start_pfn;
pfn < end_pfn;