linux-kernel - Re: [PATCH] - Increase max physical memory size of x86

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Message-ID: <20080325164154.GA5909@alberich.amd.com>
Date:	Tue, 25 Mar 2008 17:41:54 +0100
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Jack Steiner <steiner@....com>
Cc:	mingo@...e.hu, ak@...e.de, tglx@...utronix.de, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] - Increase max physical memory size of x86_64

On Fri, Mar 21, 2008 at 08:31:57AM -0500, Jack Steiner wrote:
> Increase the maximum physical address size of x86_64 system
> to 44-bits. This is in preparation for future chips that
> support larger physical memory sizes.

Shouldn't this be increased to 48?
AMD family 10h CPUs actually support 48 bits for the
physical address.


Regards,

Andreas


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