cgroup: Use rcu_work instead of explicit rcu and work item

Workqueue now has rcu_work.  Use it instead of open-coding rcu -> work
item bouncing.

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2018-03-14 12:45:14 -07:00
commit 8f36aaec9c
2 changed files with 8 additions and 15 deletions