Re: [PATCH 04/12] memcg, kmem: fix reference count handling on the error path

2013-04-08 Thread Kamezawa Hiroyuki
(2013/04/08 15:33), Li Zefan wrote: > From: Michal Hocko > > mem_cgroup_css_online calls mem_cgroup_put if memcg_init_kmem > fails. This is not correct because only memcg_propagate_kmem takes an > additional reference while mem_cgroup_sockets_init is allowed to fail as > well (although no current

[PATCH 04/12] memcg, kmem: fix reference count handling on the error path

2013-04-07 Thread Li Zefan
From: Michal Hocko mem_cgroup_css_online calls mem_cgroup_put if memcg_init_kmem fails. This is not correct because only memcg_propagate_kmem takes an additional reference while mem_cgroup_sockets_init is allowed to fail as well (although no current implementation fails) but it doesn't take any r