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Commit a62f735c authored by David Howells's avatar David Howells Committed by Linus Torvalds
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MM: Fix macro argument substitution in PageHead() and PageTail() 



Fix macro argument substitution in PageHead() and PageTail() - 'page' should
have brackets surrounding it (commit 6d777953).

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5e45bb2e

include/linux/page-flags.h

+2 −2
Original line number Diff line number Diff line
@@ -266,7 +266,7 @@ static inline void SetPageUptodate(struct page *page) 


#define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))



#define PageTail(page)	((page->flags & PG_head_tail_mask) \

#define PageTail(page)	(((page)->flags & PG_head_tail_mask)	\

				== PG_head_tail_mask)



static inline void __SetPageTail(struct page *page)
@@ -279,7 +279,7 @@ static inline void __ClearPageTail(struct page *page) 
	page->flags &= ~PG_head_tail_mask;

}



#define PageHead(page)	((page->flags & PG_head_tail_mask) \

#define PageHead(page)	(((page)->flags & PG_head_tail_mask)	\

				== (1L << PG_compound))

#define __SetPageHead(page)	__SetPageCompound(page)

#define __ClearPageHead(page)	__ClearPageCompound(page)