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Date: Thu, 06 Aug 2009 12:59:53 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: Re: [RFC] respect the referenced bit of KVM guest pages?
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To: Wu Fengguang <fengguang.wu@intel.com>
Cc: "Dike, Jeffrey G" <jeffrey.g.dike@intel.com>, Rik van Riel <riel@redhat.com>, "Yu, Wilfred" <wilfred.yu@intel.com>, "Kleen, Andi" <andi.kleen@intel.com>, Andrea Arcangeli <aarcange@redhat.com>, Hugh Dickins <hugh.dickins@tiscali.co.uk>, Andrew Morton <akpm@linux-foundation.org>, Christoph Lameter <cl@linux-foundation.org>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Mel Gorman <mel@csn.ul.ie>, LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>
List-ID: <linux-mm.kvack.org>

On 08/06/2009 12:35 PM, Wu Fengguang wrote:
> On Thu, Aug 06, 2009 at 05:35:59PM +0800, Avi Kivity wrote:
>    
>> On 08/06/2009 12:25 PM, Wu Fengguang wrote:
>>      
>>>> So you're effectively running a 256M guest on a 128M host?
>>>>
>>>> Do cgroups have private active/inactive lists?
>>>>
>>>>          
>>> Yes, and they reuse the same page reclaim routines with the global
>>> LRU lists.
>>>
>>>        
>> Then this looks like a bug in the shadow accessed bit handling.
>>      
>
> Yes. One question is: why only stack pages hurts if it is a
> general page reclaim problem?
>    

Do we know for a fact that only stack pages suffer, or is it what has 
been noticed?


-- 
error compiling committee.c: too many arguments to function

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