linux-kernel - Re: Terrible IO performance when using 4GB of RAM on a 32 bit machine

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Message-ID: <467AD101.4020107@zytor.com>
Date:	Thu, 21 Jun 2007 12:26:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Peter Rabbitson <rabbit@...bit.us>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Terrible IO performance when using 4GB of RAM on a 32 bit machine

Peter Rabbitson wrote:
> 
> I have captured dmesg output without mem[5], with mem=3900M[6] and
> mem=2048M[7].
> 

What does /proc/mtrr look like in the two cases?

	-hpa
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