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authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2016-01-14 15:22:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-14 16:00:49 -0800
commitfec174d6699e2e39d34c7c6ee2fe360e518e68c0 (patch)
treeb5b72095344ebed26c932caa4879fe85ad92b4bc /mm/page_isolation.c
parent543dfb2df8ebb3eb0b499eae1d63de1701a99b40 (diff)
downloadop-kernel-dev-fec174d6699e2e39d34c7c6ee2fe360e518e68c0.zip
op-kernel-dev-fec174d6699e2e39d34c7c6ee2fe360e518e68c0.tar.gz
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>
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index f484b93..5e139fe 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -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;
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