tree e93bab346a32b061522a946fe3a012155c59c27c
parent 0670e08bdfc67272f8c3087030417465629b8073
author Li Zefan <lizf@cn.fujitsu.com> 1238716651 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1238724294 -0700

debug cgroup: remove unneeded cgroup_lock

Since we are in cgroup write handler, so the cgrp is valid, so we don't
have to hold cgroup_mutex when calling cgroup_task_count().  One similar
example is in cgroup_tasks_open().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>