Message-ID: <47997735.1020501@zytor.com>
Date: Thu, 24 Jan 2008 21:44:21 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Yinghai Lu <Yinghai.Lu@Sun.COM>
CC: Jeremy Fitzhardinge <jeremy@goop.org>, Ingo Molnar <mingo@elte.hu>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: trim ram need to check if mtrr is there v2
References: <47993F1A.5070408@goop.org> <4799400C.1060102@zytor.com> <200801241947.55223.yinghai.lu@sun.com>
In-Reply-To: <200801241947.55223.yinghai.lu@sun.com>
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Yinghai Lu wrote:
>> H. Peter Anvin wrote:
>> Looks like the code doesn't check that the CPU *has* MTRRs...
> 
> so check it mtrr is there, also check if mem less 4G and is AMD as early

Why the check for < 4 GB?  The same thing applies to memory below the 4 
GB limit -- in fact, we've had a number of that kind of systems in the past.

	-hpa
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