[PATCH 0/4 v2] memcg: cleanup per-cpu charge caches

[Michal Hocko <mhocko@suse.cz>]

Hi,
this is a second version of the per-cpu carge draining code cleanup.
I have dropped the "fix unnecessary reclaim if there are still cached
charges" part because it seems to have some issues and it is not
critical at the moment.

I think that the cleanup has some sense on its own.

Changes since v1:
- memcg: do not try to drain per-cpu caches without pages uses
  drain_cache_local for the current CPU
- added memcg: add mem_cgroup_same_or_subtree helper
- dropped "memcg: prevent from reclaiming if there are per-cpu cached
  charges" patch

Michal Hocko (4):
  memcg: do not try to drain per-cpu caches without pages
  memcg: unify sync and async per-cpu charge cache draining
  memcg: add mem_cgroup_same_or_subtree helper
  memcg: get rid of percpu_charge_mutex lock

 mm/memcontrol.c |  110 +++++++++++++++++++++++++++++++------------------------
 1 files changed, 62 insertions(+), 48 deletions(-)

-- 
1.7.5.4

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