vmscan: use atomic-long for shrinker batching

[deliverable/linux.git] / include / linux / shrinker.h

diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index a83833a1f7a26f589a7584252ff413333286f5ea..07ceb97d53facc505bae4b489d3cae96bd7d4021 100644 (file)
--- 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 *);