linux-kernel - Re: [PATCH] xen: Fix for xen guest with mem

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Message-ID: <48CDFC10.8060906@goop.org>
Date:	Sun, 14 Sep 2008 23:09:20 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	roberto@...it.it
CC:	Ingo Molnar <mingo@...e.hu>, jeremy@...source.com,
	linux-kernel@...r.kernel.org, Mirko Iannella <mirko@...it.it>,
	Alex Nixon <alex.nixon@...rix.com>
Subject: Re: [PATCH] xen: Fix for xen guest with mem > 3.7G

Roberto De Ioris wrote:
> In this way you pass a 64bit integer to the function, but max_pfn in
> origin is still 32bit.
>
> max_pfn need to be 64bit to supporto more than 4GB
>   

No, a 32-bit pfn (page frame number) is sufficient for 2^44 bytes of
memory.  Does this patch work for you?

    J
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