From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 15 Nov 2017 22:29:44 +0000 (-0800)
Subject: Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
X-Git-Tag: v5.15~10001
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=22714a2ba4b55737cd7d5299db7aaf1fa8287354;p=platform%2Fkernel%2Flinux-starfive.git

Merge branch 'for-4.15' of git://git./linux/kernel/git/tj/cgroup

Pull cgroup updates from Tejun Heo:
 "Cgroup2 cpu controller support is finally merged.

   - Basic cpu statistics support to allow monitoring by default without
     the CPU controller enabled.

   - cgroup2 cpu controller support.

   - /sys/kernel/cgroup files to help dealing with new / optional
     features"

* 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: export list of cgroups v2 features using sysfs
  cgroup: export list of delegatable control files using sysfs
  cgroup: mark @cgrp __maybe_unused in cpu_stat_show()
  MAINTAINERS: relocate cpuset.c
  cgroup, sched: Move basic cpu stats from cgroup.stat to cpu.stat
  sched: Implement interface for cgroup unified hierarchy
  sched: Misc preps for cgroup unified hierarchy interface
  sched/cputime: Add dummy cputime_adjust() implementation for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
  cgroup: statically initialize init_css_set->dfl_cgrp
  cgroup: Implement cgroup2 basic CPU usage accounting
  cpuacct: Introduce cgroup_account_cputime[_field]()
  sched/cputime: Expose cputime_adjust()
---

22714a2ba4b55737cd7d5299db7aaf1fa8287354
diff --cc kernel/cgroup/Makefile
index ae448f7,0acee61..2be89a00
--- a/kernel/cgroup/Makefile
+++ b/kernel/cgroup/Makefile
@@@ -1,5 -1,4 +1,5 @@@
 +# SPDX-License-Identifier: GPL-2.0
- obj-y := cgroup.o namespace.o cgroup-v1.o
+ obj-y := cgroup.o stat.o namespace.o cgroup-v1.o
  
  obj-$(CONFIG_CGROUP_FREEZER) += freezer.o
  obj-$(CONFIG_CGROUP_PIDS) += pids.o
diff --cc kernel/cgroup/cgroup.c
index 00f5b35,69e65d2..0b1ffe1
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@@ -4765,8 -4833,9 +4844,11 @@@ static struct cgroup *cgroup_create(str
  
  	return cgrp;
  
 +out_idr_free:
 +	cgroup_idr_remove(&root->cgroup_idr, cgrp->id);
+ out_stat_exit:
+ 	if (cgroup_on_dfl(parent))
+ 		cgroup_stat_exit(cgrp);
  out_cancel_ref:
  	percpu_ref_exit(&cgrp->self.refcnt);
  out_free_cgrp: