linux-kernel - Re: [PATCH 4/5] add isolate pages vmstat

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Date:	Tue, 7 Jul 2009 11:31:13 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Minchan Kim <minchan.kim@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 4/5] add isolate pages vmstat

On Tue,  7 Jul 2009 11:12:33 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> > It looks good to me. 
> > Thanks for your effort. I added my review sign. :)
> > 
> > Let remain one side note. 
> > This accounting feature results from direct reclaim bomb. 
> > If we prevent direct reclaim bomb, I think this feature can be removed. 
> 
> Hmmm. I disagree.
> isolated pages can become more than >1GB on server systems.
> Who want >1GB unaccountable memory?

I am okay if it happens without reclaim bomb on server system which 
have a lot of memory as you said.  

-- 
Kind regards,
Minchan Kim
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