cgroup: fix obsolete function name above css_free_rwork_fn()

Since commit 8f36aaec9c ("cgroup: Use rcu_work instead of explicit rcu
and work item"), css_free_work_fn has been renamed to css_free_rwork_fn.
Update corresponding comment.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Miaohe Lin 2023-08-01 20:40:34 +08:00 • committed by Tejun Heo
commit a2c15fece4