cgroup: separate out cgroup_has_live_children() from cgroup_destroy_locked()

We're expecting another user.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Tejun Heo 2014-05-14 09:15:01 -04:00
commit cbc125efad