Re: [PATCH 1/2] memcg: remove unnecessary BUG_ON

From: Daisuke Nishimura
Date: Tue Jan 11 2011 - 19:47:32 EST


On Tue, 11 Jan 2011 17:51:11 +0900
Minchan Kim <minchan.kim@xxxxxxxxx> wrote:

> Now memcg in unmap_and_move checks BUG_ON of charge.
> mem_cgroup_prepare_migration returns either 0 or -ENOMEM.
> If it returns -ENOMEM, it jumps out unlock without the check.
> If it returns 0, it can pass BUG_ON. So it's meaningless.
> Let's remove it.
>
> Cc: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
> Cc: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>

Acked-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
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