linux-kernel - RE: [PATCH -v2 -mm] add extra free kbytes tunable

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Message-ID: <65795E11DBF1E645A09CEC7EAEE94B9CB4F747A9@USINDEVS02.corp.hds.com>
Date:	Fri, 14 Oct 2011 01:06:57 -0400
From:	Satoru Moriya <satoru.moriya@....com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Satoru Moriya <smoriya@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"lwoodman@...hat.com" <lwoodman@...hat.com>,
	Seiji Aguchi <saguchi@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	"hannes@...xchg.org" <hannes@...xchg.org>
Subject: RE: [PATCH -v2 -mm] add extra free kbytes tunable

On 10/12/2011 08:01 PM, David Rientjes wrote:
>> I understand what you concern. But in some area such as banking,
>> > stock exchange, train/power/plant control sysemts etc this kind
>> > of tunable is welcomed because they can tune their systems at
>> > their own risk.
>> > 
> You haven't tried the patch that increases the priority of kswapd when 
> such a latency sensitive thread triggers background reclaim?

No, not yet. I'll try it.

Thanks,
Satoru--
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