diff options
author | Vladimir Davydov <vdavydov@parallels.com> | 2014-12-12 19:54:50 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 15:42:46 -0500 |
commit | bfda7e8fe428ff4a42653d7b117d4598fc446cda (patch) | |
tree | 1509b6b4aaa4f832502341226392d06c8513c1f5 /mm/memcontrol.c | |
parent | b5be83e308f70e16c63c4e520ea7bb03ef57c46f (diff) |
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: Vladimir Davydov <vdavydov@parallels.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r-- | mm/memcontrol.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 85df503ec023..e8bf0fc356b2 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c | |||
@@ -4724,17 +4724,6 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg) | |||
4724 | 4724 | ||
4725 | free_percpu(memcg->stat); | 4725 | free_percpu(memcg->stat); |
4726 | 4726 | ||
4727 | /* | ||
4728 | * We need to make sure that (at least for now), the jump label | ||
4729 | * destruction code runs outside of the cgroup lock. This is because | ||
4730 | * get_online_cpus(), which is called from the static_branch update, | ||
4731 | * can't be called inside the cgroup_lock. cpusets are the ones | ||
4732 | * enforcing this dependency, so if they ever change, we might as well. | ||
4733 | * | ||
4734 | * schedule_work() will guarantee this happens. Be careful if you need | ||
4735 | * to move this code around, and make sure it is outside | ||
4736 | * the cgroup_lock. | ||
4737 | */ | ||
4738 | disarm_static_keys(memcg); | 4727 | disarm_static_keys(memcg); |
4739 | kfree(memcg); | 4728 | kfree(memcg); |
4740 | } | 4729 | } |