From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755261Ab1KTDgJ (ORCPT ); Sat, 19 Nov 2011 22:36:09 -0500 Received: from li9-11.members.linode.com ([67.18.176.11]:60928 "EHLO test.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755117Ab1KTDgI (ORCPT ); Sat, 19 Nov 2011 22:36:08 -0500 Date: Sat, 19 Nov 2011 22:35:34 -0500 From: "Ted Ts'o" To: David Rientjes Cc: Namjae Jeon , linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, Amit Sahrawat Subject: Re: [PATCH] ext4: group info caches set to SLAB_MEM_SPREAD flags. Message-ID: <20111120033534.GH4130@thunk.org> Mail-Followup-To: Ted Ts'o , David Rientjes , Namjae Jeon , linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, Amit Sahrawat References: <1321742924-3189-1-git-send-email-linkinjeon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on test.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Nov 19, 2011 at 03:29:34PM -0800, David Rientjes wrote: > If there is convincing data that suggests it's helpful on your hardware, > then it would make a good case to merge your patch so users don't need to > set their own mempolicies that do this. They'll just need to mount > cpusets and enable cpuset.memory_spread_slab. >>From Namjae and Amit have stated, they don't have access to any NUMA hardware. If I had to guess they are students or people who are trying to start a Linux development team at some company or research institute, and have decided to start by sending cleanup patches. - Ted