linux-kernel - Re: [PATCH] mm: inactive-clean list

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Message-ID: <44BD0B16.6050606@mbligh.org>
Date:	Tue, 18 Jul 2006 12:23:50 -0400
From:	"Martin J. Bligh" <mbligh@...igh.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-mm <linux-mm@...ck.org>,
	Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: inactive-clean list

Christoph Lameter wrote:
> On Tue, 18 Jul 2006, Martin J. Bligh wrote:
> 
>>>Maybe we need a NR_UNSTABLE that includes pinned pages?
>>
>>The point of what we decided on Sunday was that we want to count the
>>pages that we KNOW are easy to free. So all of these should be
>>taken out of the count before we take it.
> 
> 
> Unmapped clean pages are easily freeable and do not have these issues.
> Could we just use that for now? Otherwise we have to add counters to the 
> categories that we do not track for now and take them out of the count.

Yup, I think that covers everything.

M.

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