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To: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: make memtest support 32bit
From: Andi Kleen <andi@firstfloor.org>
References: <200807150002.28398.yhlu.kernel@gmail.com>
	<200807150003.44497.yhlu.kernel@gmail.com>
Date: Tue, 15 Jul 2008 12:13:03 +0200
In-Reply-To: <200807150003.44497.yhlu.kernel@gmail.com> (Yinghai Lu's message of "Tue, 15 Jul 2008 00:03:44 -0700")
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Yinghai Lu <yhlu.kernel@gmail.com> writes:

> only support max_low_pfn below...

.... either add a fixmap or document that 32bit memtest will only
test a small fraction of the available memory on systems with >1GB.
In fact with this restriction it seems rather useless.

-Andi