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

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Message-Id: <1221459601.6036.18.camel@sirius>
Date:	Mon, 15 Sep 2008 08:20:01 +0200
From:	Roberto De Ioris <roberto@...it.it>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
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

On Sun, 2008-09-14 at 23:09 -0700, Jeremy Fitzhardinge wrote:
> 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


Ops, you are right, pfn is not in bytes ;)

The patch works.

-- 
Roberto De Ioris
http://unbit.it
JID: roberto@...ber.unbit.it

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