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-rw-r--r--include/linux/page-flags.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index bbad43fb8181..b5b30f1c1e59 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -266,7 +266,7 @@ static inline void SetPageUptodate(struct page *page)
266 266
267#define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) 267#define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
268 268
269#define PageTail(page) ((page->flags & PG_head_tail_mask) \ 269#define PageTail(page) (((page)->flags & PG_head_tail_mask) \
270 == PG_head_tail_mask) 270 == PG_head_tail_mask)
271 271
272static inline void __SetPageTail(struct page *page) 272static inline void __SetPageTail(struct page *page)
@@ -279,7 +279,7 @@ static inline void __ClearPageTail(struct page *page)
279 page->flags &= ~PG_head_tail_mask; 279 page->flags &= ~PG_head_tail_mask;
280} 280}
281 281
282#define PageHead(page) ((page->flags & PG_head_tail_mask) \ 282#define PageHead(page) (((page)->flags & PG_head_tail_mask) \
283 == (1L << PG_compound)) 283 == (1L << PG_compound))
284#define __SetPageHead(page) __SetPageCompound(page) 284#define __SetPageHead(page) __SetPageCompound(page)
285#define __ClearPageHead(page) __ClearPageCompound(page) 285#define __ClearPageHead(page) __ClearPageCompound(page)