sr: use bdev_check_media_change

[linux-2.6-microblaze.git] / include / linux / memcontrol.h

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 385237e..d0b0361 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -630,7 +630,7 @@ unsigned long mem_cgroup_get_zone_lru_size(struct lruvec *lruvec,
        struct mem_cgroup_per_node *mz;
 
        mz = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
-       return mz->lru_zone_size[zone_idx][lru];
+       return READ_ONCE(mz->lru_zone_size[zone_idx][lru]);
 }
 
 void mem_cgroup_handle_over_high(void);