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-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 f484b9300fe3..5e139fec6c6c 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;