Commit 4ef1b0fd authored Jul 29, 2008 by Li Zefan Committed by Linus Torvalds Jul 30, 2008

memcg: remove redundant check in move_task()



It's guaranteed by cgroup that old_cgrp != cgrp.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 55b6fd01

mm/memcontrol.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -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

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