linux-kernel - Re: [PATCH RESEND] avoid swapping out with swappiness==0

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Message-ID: <4FBD5A86.70701@redhat.com>
Date:	Wed, 23 May 2012 17:45:42 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Satoru Moriya <satoru.moriya@....com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"lwoodman@...hat.com" <lwoodman@...hat.com>,
	"jweiner@...hat.com" <jweiner@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Richard Davies <richard.davies@...stichosts.com>,
	Seiji Aguchi <seiji.aguchi@....com>,
	"dle-develop@...ts.sourceforge.net" 
	<dle-develop@...ts.sourceforge.net>,
	Minchan Kim <minchan@...nel.org>,
	Jerome Marchand <jmarchan@...hat.com>,
	Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH RESEND] avoid swapping out with swappiness==0

On 05/23/2012 04:41 PM, Satoru Moriya wrote:

> The patch may not be perfect but, at least, we can improve
> the kernel behavior in the enough filebacked memory case
> with this patch. I believe it's better than nothing.

Agreed.

> Do you have any comments about it?

Only one comment, and it's for Andrew :)

> Signed-off-by: Satoru Moriya<satoru.moriya@....com>
> Acked-by: Minchan Kim<minchan@...nel.org>
> Acked-by: Rik van Riel<riel@...hat.com>

Andrew, you can turn my Acked-by into a

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

This is functionality that many people seem to want, and
will not break anything current users typically do.

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