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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2011-12-08 17:33:54 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-12-09 10:50:27 -0500
commit83aeeada7c69f35e5100b27ec354335597a7a488 (patch)
tree44644e68f303368feba7c8ba3e0e0991d6238ada /include/linux/shrinker.h
parent635697c663f38106063d5659f0cf2e45afcd4bb5 (diff)
vmscan: use atomic-long for shrinker batching
Use atomic-long operations instead of looping around cmpxchg(). [akpm@linux-foundation.org: massage atomic.h inclusions] Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Dave Chinner <david@fromorbit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/shrinker.h')
-rw-r--r--include/linux/shrinker.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index a83833a1f7a2..07ceb97d53fa 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -35,7 +35,7 @@ struct shrinker {
35 35
36 /* These are for internal use */ 36 /* These are for internal use */
37 struct list_head list; 37 struct list_head list;
38 long nr; /* objs pending delete */ 38 atomic_long_t nr_in_batch; /* objs pending delete */
39}; 39};
40#define DEFAULT_SEEKS 2 /* A good number if you don't know better. */ 40#define DEFAULT_SEEKS 2 /* A good number if you don't know better. */
41extern void register_shrinker(struct shrinker *); 41extern void register_shrinker(struct shrinker *);