Commit 152194aa authored by Avishay Traeger's avatar Avishay Traeger Committed by Linus Torvalds
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[PATCH] set_page_count() macro safety 



Fix set_page_count() macro to handle complex arguments.

Signed-off-by: default avatarAvishay Traeger <atraeger@cs.sunysb.edu>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent aea47ff3

include/linux/mm.h

+1 −1
Original line number Diff line number Diff line
@@ -308,7 +308,7 @@ struct page { 
 */

#define get_page_testone(p)	atomic_inc_and_test(&(p)->_count)



#define set_page_count(p,v) 	atomic_set(&(p)->_count, v - 1)

#define set_page_count(p,v) 	atomic_set(&(p)->_count, (v) - 1)

#define __put_page(p)		atomic_dec(&(p)->_count)



extern void FASTCALL(__page_cache_release(struct page *));