[PATCH 0/4] cgroup: substitude per-cgroup id with per-subsys id

[Jianyu Zhan]

Currently, cgrp->id is only used to look up css's.  As cgroup and
css's lifetimes is now decoupled, it should be made per-subsystem
and moved to css->css_id so that lookups are successful until the
target css is released.

Patch 1-3 are prep patches.
Patch 4 do the coverting job.

Thanks!

Jianyu Zhan (4):
  cgroup: introduce helper css_to_id()
  mm/memcontrol.c: use accessor to get id from css
  netprio_cgroup: use accessor to get id from css
  cgroup: convert from per-cgroup id to per-subsys id

 include/linux/cgroup.h    | 27 ++++++-------
 kernel/cgroup.c           | 96 +++++++++++++++++++++++++----------------------
 mm/memcontrol.c           |  8 ++--
 net/core/netprio_cgroup.c |  8 ++--
 4 files changed, 74 insertions(+), 65 deletions(-)

-- 
2.0.0-rc0

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