cgroup: drop hierarchy_id_lock
authorTejun Heo <tj@kernel.org>
Sun, 14 Apr 2013 18:36:57 +0000 (11:36 -0700)
committerTejun Heo <tj@kernel.org>
Tue, 14 May 2013 18:42:06 +0000 (11:42 -0700)
commit54e7b4eb15fc4354d5ada5469e3db4a220ddb3ed
tree7485420d486680e9b8f813e7c796152505e316ba
parentfa3ca07e96185aa1496b405472399a2a2a336a17
cgroup: drop hierarchy_id_lock

Now that hierarchy_id alloc / free are protected by the cgroup
mutexes, there's no need for this separate lock.  Drop it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
kernel/cgroup.c