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Date: Mon, 09 Jul 2012 11:29:27 +0900
From: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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To: Johannes Weiner <hannes@cmpxchg.org>
CC: Andrew Morton <akpm@linux-foundation.org>, Michal Hocko <mhocko@suse.cz>,
        Hugh Dickins <hughd@google.com>, David Rientjes <rientjes@google.com>,
        linux-mm@kvack.org, cgroups@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [patch 02/11] mm: swapfile: clean up unuse_pte race handling
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(2012/07/05 9:44), Johannes Weiner wrote:
> The conditional mem_cgroup_cancel_charge_swapin() is a leftover from
> when the function would continue to reestablish the page even after
> mem_cgroup_try_charge_swapin() failed.  After 85d9fc8 "memcg: fix
> refcnt handling at swapoff", the condition is always true when this
> code is reached.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>