linux-kernel - Re: [PATCH x86/mm UPDATED] x86-64, NUMA: Fix distance table handling

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Date:	Fri, 11 Mar 2011 07:48:00 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
CC:	David Rientjes <rientjes@...gle.com>, Ingo Molnar <mingo@...e.hu>,
	tglx@...utronix.de, "H. Peter Anvin" <hpa@...or.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH x86/mm UPDATED] x86-64, NUMA: Fix distance table handling

On 03/11/2011 12:33 AM, Tejun Heo wrote:
> On Fri, Mar 11, 2011 at 09:29:38AM +0100, Tejun Heo wrote:
>> Also, I don't think your patch is correct.  Even if there is phys_dist
>                                                               ^
> 							      no
>> table, emu distance tables should be built because emulated nids don't
>> map to physical nids one to one.  ie. Two different emulated nids can
>> share a physical node and the distance table should explicitly reflect
>> that.

ok, when original SLIT is not there, mean only one really node.
so the new distance table should be filled with LOCAL_DISTANCE.

Yinghai

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