cgroup: fix a typo in comment

In commit 8699b7762a ("cgroup: s/child_subsys_mask/subtree_ss_mask/"),
we rename child_subsys_mask to subtree_ss_mask. While it missed to
rename this in comment.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Wei Yang 2021-12-01 01:17:36 +00:00 • committed by Tejun Heo
commit af3bf05466