Re: [PATCH 6/8] memcg: make mem_cgroup_reparent_charges non failing

[Kamezawa Hiroyuki]

(2012/11/01 4:44), Tejun Heo wrote:
> From: Michal Hocko <mhocko@xxxxxxx>
> 
> Now that pre_destroy callbacks are called from the context where neither
> any task can attach the group nor any children group can be added there
> is no other way to fail from mem_cgroup_pre_destroy.
> mem_cgroup_pre_destroy doesn't have to take a reference to memcg's css
> because all css' are marked dead already.
> 
> tj: Remove now unused local variable @cgrp from
>      mem_cgroup_reparent_charges().
> 
> Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
> Reviewed-by: Glauber Costa <glommer@xxxxxxxxxxxxx>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>

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



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