From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753065AbZKIHEX (ORCPT ); Mon, 9 Nov 2009 02:04:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751514AbZKIHEX (ORCPT ); Mon, 9 Nov 2009 02:04:23 -0500 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:36054 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751274AbZKIHEW (ORCPT ); Mon, 9 Nov 2009 02:04:22 -0500 Date: Mon, 9 Nov 2009 12:34:21 +0530 From: Balbir Singh To: KAMEZAWA Hiroyuki Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "nishimura@mxp.nes.nec.co.jp" , cl@linux-foundation.org, "akpm@linux-foundation.org" Subject: Re: [PATCH 0/2] memcg make use of new percpu implementations Message-ID: <20091109070421.GD3042@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: <20091106175242.6e13ee29.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20091106175242.6e13ee29.kamezawa.hiroyu@jp.fujitsu.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * KAMEZAWA Hiroyuki [2009-11-06 17:52:42]: > Hi, > > Recent updates on dynamic percpu allocation looks good and I tries to rewrite > memcg's poor implementation of percpu status counter. > (It's not NUMA-aware ...) > Thanks for great works. > > For this time. I added Christoph to CC because I'm not fully sure my usage of > __this_cpu_xxx is correct...I'm glad if you check the usage when you have time. > > > Patch 1/2 is just clean up (prepare for patch 2/2) > Patch 2/2 is for percpu. > > Tested on my 8cpu box and works well. > Pathcesa are against the latest mmotm. How do the test results look? DO you see a significant boost? BTW, I've been experimenting a bit with the earlier percpu counter patches, I might post an iteration once I have some good results. -- Balbir From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 78A2C6B004D for ; Mon, 9 Nov 2009 02:04:29 -0500 (EST) Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by e28smtp05.in.ibm.com (8.14.3/8.13.1) with ESMTP id nA974NX7030627 for ; Mon, 9 Nov 2009 12:34:23 +0530 Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id nA974N7O1708178 for ; Mon, 9 Nov 2009 12:34:23 +0530 Received: from d28av04.in.ibm.com (loopback [127.0.0.1]) by d28av04.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id nA974NLo010837 for ; Mon, 9 Nov 2009 18:04:23 +1100 Date: Mon, 9 Nov 2009 12:34:21 +0530 From: Balbir Singh Subject: Re: [PATCH 0/2] memcg make use of new percpu implementations Message-ID: <20091109070421.GD3042@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: <20091106175242.6e13ee29.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20091106175242.6e13ee29.kamezawa.hiroyu@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org To: KAMEZAWA Hiroyuki Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "nishimura@mxp.nes.nec.co.jp" , cl@linux-foundation.org, "akpm@linux-foundation.org" List-ID: * KAMEZAWA Hiroyuki [2009-11-06 17:52:42]: > Hi, > > Recent updates on dynamic percpu allocation looks good and I tries to rewrite > memcg's poor implementation of percpu status counter. > (It's not NUMA-aware ...) > Thanks for great works. > > For this time. I added Christoph to CC because I'm not fully sure my usage of > __this_cpu_xxx is correct...I'm glad if you check the usage when you have time. > > > Patch 1/2 is just clean up (prepare for patch 2/2) > Patch 2/2 is for percpu. > > Tested on my 8cpu box and works well. > Pathcesa are against the latest mmotm. How do the test results look? DO you see a significant boost? BTW, I've been experimenting a bit with the earlier percpu counter patches, I might post an iteration once I have some good results. -- Balbir -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org