Re: [PATCH 07/12] memcg: use css_get/put when charging/uncharging kmem

2013-04-08 Thread Kamezawa Hiroyuki
(2013/04/08 15:34), Li Zefan wrote: > Use css_get/put instead of mem_cgroup_get/put. > > We can't do a simple replacement, because here mem_cgroup_put() > is called during mem_cgroup_css_free(), while mem_cgroup_css_free() > won't be called until css refcnt goes down to 0. > > Instead we incremen

Re: [PATCH 07/12] memcg: use css_get/put when charging/uncharging kmem

2013-04-08 Thread Michal Hocko
On Mon 08-04-13 14:34:35, Li Zefan wrote: > Use css_get/put instead of mem_cgroup_get/put. > > We can't do a simple replacement, because here mem_cgroup_put() > is called during mem_cgroup_css_free(), while mem_cgroup_css_free() > won't be called until css refcnt goes down to 0. > > Instead we in