diff options
| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2011-12-08 14:33:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-09 07:50:27 -0800 |
| commit | 83aeeada7c69f35e5100b27ec354335597a7a488 (patch) | |
| tree | 44644e68f303368feba7c8ba3e0e0991d6238ada /include | |
| parent | 635697c663f38106063d5659f0cf2e45afcd4bb5 (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')
| -rw-r--r-- | include/linux/fs.h | 2 | ||||
| -rw-r--r-- | include/linux/mm.h | 1 | ||||
| -rw-r--r-- | include/linux/shrinker.h | 2 |
3 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 019dc558df1..e0bc4ffb8e7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -393,8 +393,8 @@ struct inodes_stat_t { #include <linux/semaphore.h> #include <linux/fiemap.h> #include <linux/rculist_bl.h> -#include <linux/shrinker.h> #include <linux/atomic.h> +#include <linux/shrinker.h> #include <asm/byteorder.h> diff --git a/include/linux/mm.h b/include/linux/mm.h index 3dc3a8c2c48..4baadd18f4a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -10,6 +10,7 @@ #include <linux/mmzone.h> #include <linux/rbtree.h> #include <linux/prio_tree.h> +#include <linux/atomic.h> #include <linux/debug_locks.h> #include <linux/mm_types.h> #include <linux/range.h> diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index a83833a1f7a..07ceb97d53f 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -35,7 +35,7 @@ struct shrinker { /* These are for internal use */ struct list_head list; - long nr; /* objs pending delete */ + atomic_long_t nr_in_batch; /* objs pending delete */ }; #define DEFAULT_SEEKS 2 /* A good number if you don't know better. */ extern void register_shrinker(struct shrinker *); |