linux-kernel - Re: [PATCH] Fake NUMA emulation for PowerPC

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Message-Id: <975B5B2B-C1F3-4021-9AE2-8873FFE1BDEC@kernel.crashing.org>
Date:	Fri, 7 Dec 2007 15:55:20 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	balbir@...ux.vnet.ibm.com
Cc:	Olof Johansson <olof@...om.net>, linuxppc-dev@...abs.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fake NUMA emulation for PowerPC


On Dec 7, 2007, at 3:35 PM, Balbir Singh wrote:

> Olof Johansson wrote:
>> Hi,
>>
>> On Sat, Dec 08, 2007 at 02:44:25AM +0530, Balbir Singh wrote:
>>
>>> Comments are as always welcome!
>>
>> Care to explain what this is useful for? (Not saying it's a stupid  
>> idea,
>> just wondering what the reason for doing it is).
>>
>
> In my case, I use it to test parts of my memory controller patches  
> on an
> emulated NUMA machine. I plan to use it to test out page migration
> across nodes.

Can you explain that further.  I'm still not clear on why this is  
useful.

- k
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