[PATCH] mm: fix comments based on per-node memcg

[Hao Lee <haolee.swjtu@gmail.com>]

These comments should be updated as memcg limit enforcement has been moved
from zones to nodes.

Signed-off-by: Hao Lee <haolee.swjtu@gmail.com>
---
 include/linux/memcontrol.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ae703ea3ef48..12c29f74c02a 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;
@@ -399,8 +399,7 @@ mem_cgroup_nodeinfo(struct mem_cgroup *memcg, int nid)
  * @memcg: memcg of the wanted lruvec
  *
  * Returns the lru list vector holding pages for a given @node or a given
- * @memcg and @zone. This can be the node lruvec, if the memory controller
- * is disabled.
+ * @memcg. This can be the node lruvec, if the memory controller is disabled.
  */
 static inline struct lruvec *mem_cgroup_lruvec(struct pglist_data *pgdat,
 				struct mem_cgroup *memcg)
-- 
2.14.5