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

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Date:	Tue, 29 Sep 2009 19:32:17 +0200
From:	Volker Armin Hemmann <volkerarmin@...glemail.com>
To:	Yinghai Lu <yhlu.kernel@...il.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 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?

Glück Auf,
Volker
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