From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 0B6A3DDE0E for ; Sat, 8 Dec 2007 08:56:18 +1100 (EST) Message-Id: <975B5B2B-C1F3-4021-9AE2-8873FFE1BDEC@kernel.crashing.org> From: Kumar Gala To: balbir@linux.vnet.ibm.com In-Reply-To: <4759BCA2.1020809@linux.vnet.ibm.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Mime-Version: 1.0 (Apple Message framework v915) Subject: Re: [PATCH] Fake NUMA emulation for PowerPC Date: Fri, 7 Dec 2007 15:55:20 -0600 References: <20071207211425.10223.91240.sendpatchset@balbir-laptop> <20071207212817.GA391@lixom.net> <4759BCA2.1020809@linux.vnet.ibm.com> Cc: Olof Johansson , linuxppc-dev@ozlabs.org, LKML List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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