diff options
| author | Glauber Costa <glommer@parallels.com> | 2013-02-22 16:34:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:18 -0800 |
| commit | e4715f01be697a3730c78f8ffffb595591d6a88c (patch) | |
| tree | 6ba363f7454d0b8e6b4db8997c8b7fa587f20279 /block/blk-throttle.c | |
| parent | 692e89abd154b04d212dce0c18a449bda15aac04 (diff) | |
memcg: avoid dangling reference count in creation failure.
When use_hierarchy is enabled, we acquire an extra reference count in
our parent during cgroup creation. We don't release it, though, if any
failure exist in the creation process.
Signed-off-by: Glauber Costa <glommer@parallels.com>
Reported-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Hiroyuki Kamezawa <kamezawa.hiroyuki@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block/blk-throttle.c')
0 files changed, 0 insertions, 0 deletions