From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id C2A026B005C for ; Tue, 11 Aug 2009 23:57:39 -0400 (EDT) Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by e28smtp06.in.ibm.com (8.14.3/8.13.1) with ESMTP id n7C3vgva013707 for ; Wed, 12 Aug 2009 09:27:42 +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 n7C3vg8k2232432 for ; Wed, 12 Aug 2009 09:27:42 +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 n7C3vfmJ016969 for ; Wed, 12 Aug 2009 13:57:42 +1000 Date: Wed, 12 Aug 2009 09:27:40 +0530 From: Balbir Singh Subject: Re: Help Resource Counters Scale better (v4) Message-ID: <20090812035740.GG7176@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: <20090811144405.GW7176@balbir.in.ibm.com> <20090811163159.ddc5f5fd.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20090811163159.ddc5f5fd.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: kamezawa.hiroyu@jp.fujitsu.com, nishimura@mxp.nes.nec.co.jp, kosaki.motohiro@jp.fujitsu.com, menage@google.com, prarit@redhat.com, andi.kleen@intel.com, xemul@openvz.org, lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: * Andrew Morton [2009-08-11 16:31:59]: > Is this an alternative approach to using percpu_counters, or do we do > both or do we choose one or the other? res_counter_charge() really is > quite sucky. > This is an alternative approach, I'll still do the percpu counter patches, but once the overhead for root is gone, most users not using this functionality will not see any major overhead. -- 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