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Message-ID: <20090518033337.GD5869@localhost>
Date: Mon, 18 May 2009 11:33:37 +0800
From: Wu Fengguang <fengguang.wu@...el.com>
To: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Rik van Riel <riel@...hat.com>,
Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [PATCH 2/4] vmscan: drop PF_SWAPWRITE from zone_reclaim
On Wed, May 13, 2009 at 12:06:51PM +0900, KOSAKI Motohiro wrote:
> Subject: [PATCH] vmscan: drop PF_SWAPWRITE from zone_reclaim
>
> PF_SWAPWRITE mean ignore write congestion. (see may_write_to_queue())
>
> foreground reclaim shouldn't ignore it because to write congested device cause
> large IO lantency.
> it isn't better than remote node allocation.
Acked-by: Wu Fengguang <fengguang.wu@...el.com>
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