[GIT UPDATED PULL] cgroup changes for v4.21-rc1

[Tejun Heo]

Hello, Linus.

Updated cgroup pull request for v4.21.  The last two bullets are the
additions.

* Waiman's cgroup2 cpuset support has been finally merged closing one
  of the last remaining feature gaps.

* cgroup.procs could show non-leader threads when cgroup2 threaded
  mode was used in certain ways.  I forgot to push the fix during the
  last cycle.

* A patch to fix mount option parsing when all mount options have been
  consumed by someone else (LSM).

* cgroup_no_v1 boot param can now block named cgroup1 hierarchies too.

Thanks.

The following changes since commit f2ce1065e767fc7da106a5f5381d1e8f842dc6f4:

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (2018-11-19 09:24:04 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-4.21

for you to fetch changes up to 3fc9c12d27b4ded4f1f761a800558dab2e6bbac5:

  cgroup: Add named hierarchy disabling to cgroup_no_v1 boot param (2018-12-28 10:34:12 -0800)

----------------------------------------------------------------
Ondrej Mosnacek (1):
      cgroup: fix parsing empty mount option string

Tejun Heo (5):
      cpuset: Minor cgroup2 interface updates
      cgroup: Add .__DEBUG__. prefix to debug file names
      cgroup: fix CSS_TASK_ITER_PROCS
      Merge branch 'for-4.20-fixes' into for-4.21
      cgroup: Add named hierarchy disabling to cgroup_no_v1 boot param

Waiman Long (12):
      cpuset: Enable cpuset controller in default hierarchy
      cpuset: Define data structures to support scheduling partition
      cpuset: Simply allocation and freeing of cpumasks
      cpuset: Add new v2 cpuset.sched.partition flag
      cpuset: Add an error state to cpuset.sched.partition
      cpuset: Track cpusets that use parent's effective_cpus
      cpuset: Make CPU hotplug work with partition
      cpuset: Make generate_sched_domains() work with partition
      cpuset: Expose cpus.effective and mems.effective on cgroup v2 root
      cpuset: Use descriptive text when reading/writing cpuset.sched.partition
      cpuset: Add documentation about the new "cpuset.sched.partition" flag
      cpuset: Expose cpuset.cpus.subpartitions with cgroup_debug

Yangtao Li (1):
      cgroup: remove unnecessary unlikely()

YueHaibing (1):
      cpuset: Remove set but not used variable 'cs'

 Documentation/admin-guide/cgroup-v2.rst         | 182 ++++-
 Documentation/admin-guide/kernel-parameters.txt |   8 +-
 include/linux/cgroup-defs.h                     |   1 +
 kernel/cgroup/cgroup-internal.h                 |   2 +
 kernel/cgroup/cgroup-v1.c                       |  14 +-
 kernel/cgroup/cgroup.c                          |  60 +-
 kernel/cgroup/cpuset.c                          | 944 ++++++++++++++++++++++--
 kernel/cgroup/debug.c                           |   4 +-
 8 files changed, 1115 insertions(+), 100 deletions(-)

-- 
tejun