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

From: Tejun Heo
Date: Fri Dec 28 2018 - 13:41:24 EST

Hello, Linus.

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

* 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.


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
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(-)