linux-kernel - Re: [PATCHv2 3/5] vmscan: Stop zone_reclaim()'s wrong swap_cluster

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Message-ID: <4AEDCAA6.8050301@redhat.com>
Date:	Sun, 01 Nov 2009 12:51:34 -0500
From:	Rik van Riel <riel@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>
Subject: Re: [PATCHv2 3/5] vmscan: Stop zone_reclaim()'s wrong swap_cluster_max
 usage

On 11/01/2009 10:11 AM, KOSAKI Motohiro wrote:
> In old days, we didn't have sc.nr_to_reclaim and it brought
> sc.swap_cluster_max misuse.
>
> huge sc.swap_cluster_max might makes unnecessary OOM and
> no performance benefit.
>
> Now, we can remove above dangerous one.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>

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

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