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Re: [Xen-devel] Given a mfn, how to tell whether it is a guest page or n

from [Tim Deegan] [Permanent Link][Original]
To: ZelluX <zellux@xxxxxxxxx>
Subject: Re: [Xen-devel] Given a mfn, how to tell whether it is a guest page or not?
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Thu, 30 Jul 2009 15:03:10 +0100
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At 08:24 +0100 on 30 Jul (1248942251), ZelluX wrote:
> In shadow mode, how can I know if a mfn is related to a guest page? Is there 
> any mfn range to tell xen pages from guest pages?

In any mode, look at the owner field of the page_info struct.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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