From mboxrd@z Thu Jan  1 00:00:00 1970
From: Izik Eidus <ieidus@redhat.com>
Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from
 one page into another
Date: Tue, 11 Nov 2008 23:23:58 +0200
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Cc: Andrew Morton <akpm@linux-foundation.org>,
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	kvm@vger.kernel.org, aarcange@redhat.com, chrisw@redhat.com,
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To: Christoph Lameter <cl@linux-foundation.org>
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Christoph Lameter wrote:
>> page migration as far as i saw cant migrate anonymous page into kernel page.
>> if you want we can change page_migration to do that, but i thought you will
>> rather have ksm changes separate.
>>     
>
> What do you mean by kernel page? The kernel can allocate a page and then
> point a user space pte to it. That is how page migration works.
>   
i mean filebacked page (!AnonPage())
ksm need the pte inside the vma to point from anonymous page into 
filebacked page
can migrate.c do it without changes?