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

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Date:	Sat, 22 Mar 2008 09:59:54 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
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

On Sat, Mar 22, 2008 at 5:04 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
>  * 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.

OK, First need to move some early_res code from e820_64.c to e820_32.c

or we can start to merge them. anyone is working on that?

YH
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