Merge branch 'for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
"Nothing too exciting.
- updates to the pids controller so that pid limit breaches can be
noticed and monitored from userland.
- cleanups and non-critical bug fixes"
* 'for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: remove duplicated include from cgroup.c
cgroup: Use lld instead of ld when printing pids controller events_limit
cgroup: Add pids controller event when fork fails because of pid limit
cgroup: allow NULL return from ss->css_alloc()
cgroup: remove unnecessary 0 check from css_from_id()
cgroup: fix idr leak for the first cgroup root