[PATCH v6 0/5] memcg, cgroup: kill css id

[Li Zefan <lizefan@huawei.com>]

Hi Andrew,

The whole patchset has been acked and reviewed by Michal and Tejun.
Could you merge it into mm tree?

===========

This patchset converts memcg to use cgroup->id, and then we remove cgroup
css_id.

As we've removed memcg's own refcnt, converting memcg to use cgroup->id
is very straight-forward.

v6:
- rebased against mmotm 2013-09-20-15-59
- moved cgroup id check from mem_cgroup_css_alloc() to mem_cgroup_css_online()

v5:
- rebased against mmotm 2013-08-07-16-55

v4:
- make cgroup_from_id() inline and check if cgroup_mutex is held.
- add a comment for idr_remove() in cgroup_offline)fn().

v2->v3:
- some minor cleanups suggested by Michal.
- fixed the call to idr_alloc() in cgroup_init() in the first patch.

Li Zefan (5):
  memcg: convert to use cgroup_is_descendant()
  memcg: convert to use cgroup id
  memcg: fail to create cgroup if the cgroup id is too big
  memcg: stop using css id
  cgroup: kill css_id

 include/linux/cgroup.h |  37 --------
 kernel/cgroup.c        | 248 +------------------------------------------------
 mm/memcontrol.c        |  66 +++++++------
 3 files changed, 41 insertions(+), 310 deletions(-)

-- 
1.8.0.2

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