linux-kernel - Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another

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Date:	Tue, 11 Nov 2008 23:39:33 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
CC:	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Izik Eidus <ieidus@...hat.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, kvm@...r.kernel.org, chrisw@...hat.com,
	izike@...ranet.com
Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from
 one page into another

Christoph Lameter wrote:
> page migration requires the page to be on the LRU. That could be changed
> if you have a different means of isolating a page from its page tables.
>   

Isn't rmap the means of isolating a page from its page tables?  I guess 
I'm misunderstanding something.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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