linux-kernel - Re: [PATCH] x86: make memtest support 32bit

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Message-ID: <87lk03xxow.fsf@basil.nowhere.org>
Date:	Tue, 15 Jul 2008 12:13:03 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: make memtest support 32bit

Yinghai Lu <yhlu.kernel@...il.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
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