Hello, Linus.
Several cgroup bug fixes.
* cgroup core was calling a migration callback on empty migrations,
which could make cpuset crash.
* There was a very subtle bug where the controller interface files
aren't created directly when cgroup2 is mounted. Because later
operations create them, this bug didn't get noticed earlier.
* Failed writes to cgroup.subtree_control were incorrectly returning
0.
The following changes since commit cee37d83e6d9ada1c2254c73bac7955f9e048d22:
Merge branch 'work.read_write' of
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (2017-07-07 21:48:15
-0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-4.13-fixes
for you to fetch changes up to 3c74541777302eec43a0d1327c4d58b8659a776b:
cgroup: fix error return value from cgroup_subtree_control() (2017-07-23
08:15:17 -0400)
----------------------------------------------------------------
Tejun Heo (3):
cgroup: don't call migration methods if there are no tasks to migrate
cgroup: create dfl_root files on subsys registration
cgroup: fix error return value from cgroup_subtree_control()
kernel/cgroup/cgroup-internal.h | 3 ++
kernel/cgroup/cgroup.c | 66 +++++++++++++++++++++++------------------
2 files changed, 40 insertions(+), 29 deletions(-)
--
tejun
