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

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Message-ID: <86802c440706261155y7339f87fp7acddae54bb0258@mail.gmail.com>
Date:	Tue, 26 Jun 2007 11:55:43 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Jesse Barnes" <jesse.barnes@...el.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	"Justin Piszcz" <jpiszcz@...idpixels.com>
Subject: Re: [PATCH] trim memory not covered by WB MTRRs

On 6/26/07, Andi Kleen <andi@...stfloor.org> wrote:
> RevE had a new memory remapping scheme (memory hoisting) at least, which
> I think you refered to earlier.  There might have been more changes in F.

yes, REV E has hardware memory remapping.
Rev F you don't need to use mtrr to set MEM to WE above 4G.

YH
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