[patch 10/12] mm: memcontrol: do not acquire page_cgroup lock for kmem pages

Kmem page charging and uncharging is serialized by means of exclusive access to the page. Do not take the page_cgroup lock and don't set pc->flags atomically. Signed-off-by: Johannes Weiner Acked-by: Michal Hocko Acked-by: Vladimir Davydov --- mm/memcontrol.c | 21 +++-- 1

[patch 10/12] mm: memcontrol: do not acquire page_cgroup lock for kmem pages

Kmem page charging and uncharging is serialized by means of exclusive access to the page. Do not take the page_cgroup lock and don't set pc-flags atomically. Signed-off-by: Johannes Weiner han...@cmpxchg.org Acked-by: Michal Hocko mho...@suse.cz Acked-by: Vladimir Davydov vdavy...@parallels.com