linux-kernel - Re: amd64 + mtrr: only 3.1gb of 8gb are covered, kernel 2.6.30 and earlier.

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Message-ID: <86802c440909291223n717894e3xdcd5ad4cdc8a6d28@mail.gmail.com>
Date:	Tue, 29 Sep 2009 12:23:01 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Volker Armin Hemmann <volkerarmin@...glemail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: amd64 + mtrr: only 3.1gb of 8gb are covered, kernel 2.6.30 and 
	earlier.

On Tue, Sep 29, 2009 at 10:32 AM, Volker Armin Hemmann
<volkerarmin@...glemail.com> wrote:
> On Sonntag 20 September 2009, Yinghai Lu wrote:
>> your looks ok, because you got new CPU, and HW will set WB for [4G, TOM2)
>
> so the memory beyond 4gb is covered but the coverage is not shown in
> /proc/mtrr?

right.

YH
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