[PATCH] fix a typo of memcg annotation.

[Pan Zhang]

There is a annotation forgot to follow the patchset of `Move LRU page reclaim from zones to nodes`.
I corrected it to avoid misunderstanding.

Signed-off-by: Pan Zhang <zhangpan26@xxxxxxxxxx>
---
 include/linux/memcontrol.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ae703ea..e211689 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -112,7 +112,7 @@ struct memcg_shrinker_map {
 };
 
 /*
- * per-zone information in memory controller.
+ * per-node information in memory controller.
  */
 struct mem_cgroup_per_node {
 	struct lruvec		lruvec;
-- 
2.7.4