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| author | Li Zefan | 2013-07-09 01:00:30 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2013-07-09 19:33:24 +0200 |
| commit | 5347e5ae13710420eebbbd0b22c045685704da80 (patch) | |
| tree | 61bc244a9938a28e7a1f96d2d7fb0c3dc8ac486b /mm/page-writeback.c | |
| parent | memcg, kmem: fix reference count handling on the error path (diff) | |
| download | kernel-qcow2-linux-5347e5ae13710420eebbbd0b22c045685704da80.tar.gz kernel-qcow2-linux-5347e5ae13710420eebbbd0b22c045685704da80.tar.xz kernel-qcow2-linux-5347e5ae13710420eebbbd0b22c045685704da80.zip | |
memcg: use css_get() in sock_update_memcg()
Use css_get/css_put instead of mem_cgroup_get/put.
Note, if at the same time someone is moving @current to a different
cgroup and removing the old cgroup, css_tryget() may return false, and
sock->sk_cgrp won't be initialized, which is fine.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Glauber Costa <glommer@openvz.org>
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 'mm/page-writeback.c')
0 files changed, 0 insertions, 0 deletions