diff options
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r-- | include/linux/page-flags.h | 4 |
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 | ||
272 | static inline void __SetPageTail(struct page *page) | 272 | static 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) |