Commit 6f8d2b8a authored by Wang Xiaoqiang's avatar Wang Xiaoqiang Committed by Linus Torvalds

mm/page_isolation: do some cleanup in "undo_isolate_page_range"

Use "IS_ALIGNED" to judge the alignment, rather than directly judging.
Signed-off-by: default avatarWang Xiaoqiang <>
Cc: Naoya Horiguchi <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 036fbb21
......@@ -196,8 +196,10 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned long 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;
pfn += pageblock_nr_pages) {
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