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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH v2 -mmotm-2009-12-10-17-19] Fix wrong rss count of smaps
In-Reply-To: <20100104102319.b878047d.minchan.kim@barrios-desktop>
References: <20100104102319.b878047d.minchan.kim@barrios-desktop>
Message-Id: <20100104121312.969D.A69D9226@jp.fujitsu.com>
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Date: Mon,  4 Jan 2010 12:13:37 +0900 (JST)
Sender: owner-linux-mm@kvack.org
To: Minchan Kim <minchan.kim@gmail.com>
Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hugh.dickins@tiscali.co.uk>, Matt Mackall <mpm@selenic.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, linux-mm <linux-mm@kvack.org>, lkml <linux-kernel@vger.kernel.org>
List-ID: <linux-mm.kvack.org>

> 
> Long time ago, We regards zero page as file_rss and
> vm_normal_page didn't return NULL in case of zero page
> 
> But now, we reinstated ZERO_PAGE and vm_normal_page's implementation
> can return NULL in case of zero page.
> 
> Then, RSS and PSS can't be matched in smaps_pte_range.
> This patch fixes it.
> 
> Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
> Acked-by: Matt Mackall <mpm@selenic.com>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Signed-off-by: Minchan Kim <minchan.kim@gmail.com>

	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>



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