We already have a reference to all elements in newcg_list.
Signed-off-by: NMandeep Singh Baines <msb@chromium.org>
Reviewed-by: NLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: NTejun Heo <tj@kernel.org>
Cc: containers@lists.linux-foundation.org
Cc: cgroups@vger.kernel.org
Cc: Paul Menage <paul@paulmenage.org>