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

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Date:	Mon, 2 Nov 2009 09:40:12 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Rik van Riel <riel@...hat.com>,
	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 Mon, 2 Nov 2009 00:11:02 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> 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: Minchan Kim <minchan.kim@...il.com>

-- 
Kind regards,
Minchan Kim
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