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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: roberto@unbit.it
Cc: Ingo Molnar <mingo@elte.hu>,
	jeremy@xensource.com, linux-kernel@vger.kernel.org,
	Mirko Iannella <mirko@unbit.it>,
	Alex Nixon <alex.nixon@citrix.com>
Subject: Re: [PATCH] xen: Fix for xen guest with mem > 3.7G
Date: Sun, 14 Sep 2008 23:09:20 -0700	[thread overview]
Message-ID: <48CDFC10.8060906@goop.org> (raw)
In-Reply-To: <1221428593.6036.15.camel@sirius>

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

  reply	other threads:[~2008-09-15  6:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-13 19:16 Fix for xen guest with mem > 3.7G Roberto De Ioris
2008-09-13 21:09 ` Jeremy Fitzhardinge
2008-09-14 13:21   ` Ingo Molnar
2008-09-14 14:42     ` [PATCH] xen: " Jeremy Fitzhardinge
2008-09-14 14:47       ` Ingo Molnar
2008-09-14 21:43       ` Roberto De Ioris
2008-09-15  6:09         ` Jeremy Fitzhardinge [this message]
2008-09-15  6:20           ` Roberto De Ioris

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