linux-kernel - Re: [PATCH] trim memory not covered by WB MTRRs

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Message-ID: <46824CA5.2020908@macroscoop.nl>
Date:	Wed, 27 Jun 2007 13:40:21 +0200
From:	Pim Zandbergen <P.Zandbergen@...roscoop.nl>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Jesse Barnes <jesse.barnes@...el.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Justin Piszcz <jpiszcz@...idpixels.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: [PATCH] trim memory not covered by WB MTRRs

Andi Kleen wrote:

> That's impossible. Either it limited your RAM or it didn't change anything.

OK, maybe it's cosmetic, but I would not expect a negative number

With old BIOS it printed
**** MTRRs don't cover all of memory, trimmed 196608 pages

with new BIOS it prints
**** MTRRs don't cover all of memory, trimmed -65536 pages

Pim
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