memcg: mem_cgroup_shrink_node_zone() doesn't need sc.nodemask

Currently mem_cgroup_shrink_node_zone() call shrink_zone() directly.  thus
it doesn't need to initialize sc.nodemask because shrink_zone() doesn't
use it at all.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Nishimura Daisuke <d-nishimura@mtf.biglobe.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a1c3c317a4dd..8d0bfd7fe328 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1300,8 +1300,7 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
                 /* we use swappiness of local cgroup */
                 if (check_soft)
                         ret = mem_cgroup_shrink_node_zone(victim, gfp_mask,
-                                noswap, get_swappiness(victim), zone,
-                                zone->zone_pgdat->node_id);
+                                noswap, get_swappiness(victim), zone);
                 else
                         ret = try_to_free_mem_cgroup_pages(victim, gfp_mask,
                                                 noswap, get_swappiness(victim));