linux-kernel - Re: [PATCH] x86_64: early memtest to find bad ram

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Message-ID: <20080322120400.GE13264@elte.hu>
Date:	Sat, 22 Mar 2008 13:04:00 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86_64: early memtest to find bad ram


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> >  one structural observation: please make this unified functionality, 
> >  so that 32-bit kernels can make use of it too.
> 
> that will need to use PAE to switch 2G windows ....

well, please try some non-PAE, checks-direct-mappings approach - if 
someone wants to extend it to the highmem bits i'm sure it will be done.

	Ingo
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