commit | 56161634e4824380a67243a4cf3fa52eb1e5d836 | [log] [tgz] |
---|---|---|
author | Tejun Heo <tj@kernel.org> | Fri May 22 17:13:20 2015 -0400 |
committer | Jens Axboe <axboe@fb.com> | Tue Jun 02 08:33:33 2015 -0600 |
tree | f270436ae91d6a472efc425c256f487460e9b108 | |
parent | ec13b1d6f0a0457312e615335ce8ceb07da50a11 [diff] |
memcg: add mem_cgroup_root_css Add global mem_cgroup_root_css which points to the root memcg css. This will be used by cgroup writeback support. If memcg is disabled, it's defined as ERR_PTR(-EINVAL). Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> aCc: Michal Hocko <mhocko@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>