linux-kernel - Re: [patch 03/10] mm: memcg: push down PageSwapCache check into uncharge entry functions

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Message-ID: <5007DA01.5060903@jp.fujitsu.com>
Date:	Thu, 19 Jul 2012 18:57:21 +0900
From:	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>, Hugh Dickins <hughd@...gle.com>,
	David Rientjes <rientjes@...gle.com>,
	Wanpeng Li <liwp.linux@...il.com>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 03/10] mm: memcg: push down PageSwapCache check into uncharge
 entry functions

(2012/07/12 2:02), Johannes Weiner wrote:
> Not all uncharge paths need to check if the page is swapcache, some of
> them can know for sure.
> 
> Push down the check into all callsites of uncharge_common() so that
> the patch that removes some of them is more obvious.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> Acked-by: Michal Hocko <mhocko@...e.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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