Re: [PATCH 12/12] memcg: don't need to free memcg via RCU or workqueue

[Kamezawa Hiroyuki]

(2013/04/08 15:36), Li Zefan wrote:
> Now memcg has the same life cycle with its corresponding cgroup, and
> a cgroup is freed via RCU and then mem_cgroup_css_free() is called
> in a work function, so we can simply call __mem_cgroup_free() in
> mem_cgroup_css_free().
> 
> This actually reverts 59927fb984de1703c67bc640c3e522d8b5276c73
> ("memcg: free mem_cgroup by RCU to fix oops").
> 
> Cc: Hugh Dickins <hughd@xxxxxxxxxx>
> Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>

Very nice.

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>



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