Commit bfda7e8f authored by Vladimir Davydov's avatar Vladimir Davydov Committed by Linus Torvalds
Browse files

memcg: __mem_cgroup_free: remove stale disarm_static_keys comment 



cpuset code stopped using cgroup_lock in favor of cpuset_mutex long ago.

Signed-off-by: default avatarVladimir Davydov <vdavydov@parallels.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b5be83e3

mm/memcontrol.c

+0 −11
Original line number Diff line number Diff line
@@ -4724,17 +4724,6 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg) 


	free_percpu(memcg->stat);



	/*

	 * We need to make sure that (at least for now), the jump label

	 * destruction code runs outside of the cgroup lock. This is because

	 * get_online_cpus(), which is called from the static_branch update,

	 * can't be called inside the cgroup_lock. cpusets are the ones

	 * enforcing this dependency, so if they ever change, we might as well.

	 *

	 * schedule_work() will guarantee this happens. Be careful if you need

	 * to move this code around, and make sure it is outside

	 * the cgroup_lock.

	 */

	disarm_static_keys(memcg);

	kfree(memcg);

}