linux-kernel - Re: [PATCH 4/7] Replace page_referenced() with wipe_page

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Message-ID: <4B1C14BD.1030202@redhat.com>
Date:	Sun, 06 Dec 2009 15:31:57 -0500
From:	Rik van Riel <riel@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>
Subject: Re: [PATCH 4/7] Replace page_referenced() with wipe_page_reference()

On 12/04/2009 03:43 AM, KOSAKI Motohiro wrote:
>  From d9110c2804a4b88e460edada140b8bb0f7eb3a18 Mon Sep 17 00:00:00 2001
> From: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>
> Date: Fri, 4 Dec 2009 11:45:18 +0900
> Subject: [PATCH 4/7] Replace page_referenced() with wipe_page_reference()
>
> page_referenced() imply "test the page was referenced or not", but
> shrink_active_list() use it for drop pte young bit. then, it should be
> renamed.
>
> Plus, vm_flags argument is really ugly. instead, introduce new
> struct page_reference_context, it's for collect some statistics.
>
> This patch doesn't have any behavior change.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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