From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [PATCH]Add a flag for shadow pages
Date: Wed, 04 Mar 2009 09:20:38 +0000
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To: "Jiang, Yunhong" <yunhong.jiang@intel.com>, Tim Deegan <Tim.Deegan@eu.citrix.com>
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On 04/03/2009 08:46, "Jiang, Yunhong" <yunhong.jiang@intel.com> wrote:

> Currently we don't know that a page is a shadow page unless we are in shadow
> handler. This cause error when we try to get the page owner for the shadow
> page, this snippet add a flag to it.

Ah... Is this for your new page-offlining magic? You don't need it. If you
can't get_page(get_page_owner()) then that tells you the page has no owner,
or the owner changed under your feet. Pretty simple.

 -- Keir