From 4ef1b0fd61333b3b81ebe29283898c6c84b15c9f Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Tue, 29 Jul 2008 22:33:20 -0700 Subject: [PATCH] memcg: remove redundant check in move_task() It's guaranteed by cgroup that old_cgrp != cgrp. Signed-off-by: Li Zefan Cc: Paul Menage Cc: Cedric Le Goater Cc: Balbir Singh Acked-by: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memcontrol.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fba566c51322..7056c3bdb478 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1168,9 +1168,6 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss, mem = mem_cgroup_from_cont(cont); old_mem = mem_cgroup_from_cont(old_cont); - if (mem == old_mem) - goto out; - /* * Only thread group leaders are allowed to migrate, the mm_struct is * in effect owned by the leader