[-next v2 0/4] some optimization for cpuset

[Chen Ridong]

From: Chen Ridong <chenridong@xxxxxxxxxx>

This patch series contains several cpuset improvements:

1. Remove redundant CS_ONLINE flag.
2. Decouple cpuset and tmpmasks allocation/freeing.
3. Add cpus_read_cpuset_[un]lock() helpers.

---
v2:
 - dropped guard helper approach, nusing new helper instead.
 - added patches for decoupling cpuset/tmpmasks allocation

Chen Ridong (4):
  cpuset: remove redundant CS_ONLINE flag
  cpuset: decouple tmpmaks and cpumaks of cs free
  cpuset: separate tmpmasks and cpuset allocation logic
  cpuset: add helpers for cpus read and cpuset_mutex locks

 include/linux/cgroup.h          |   5 +
 kernel/cgroup/cpuset-internal.h |   5 +-
 kernel/cgroup/cpuset-v1.c       |  12 +-
 kernel/cgroup/cpuset.c          | 212 ++++++++++++++++----------------
 4 files changed, 117 insertions(+), 117 deletions(-)

-- 
2.34.1