From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756654Ab1D2ICo (ORCPT ); Fri, 29 Apr 2011 04:02:44 -0400 Received: from arkanian.console-pimps.org ([212.110.184.194]:37754 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754537Ab1D2ICl (ORCPT ); Fri, 29 Apr 2011 04:02:41 -0400 Date: Fri, 29 Apr 2011 09:02:36 +0100 From: Matt Fleming To: KAMEZAWA Hiroyuki Cc: Dave Hansen , Hugh Dickins , Andrew Morton , linux-mm@vger.kernel.org, linux-kernel@vger.kernel.org, Matt Fleming Subject: Re: [PATCH] mm: Delete non-atomic mm counter implementation Message-ID: <20110429090236.6f2d8e61@mfleming-mobl1.ger.corp.intel.com> In-Reply-To: <20110428090857.24de6532.kamezawa.hiroyu@jp.fujitsu.com> References: <1303914965-868-1-git-send-email-matt@console-pimps.org> <20110428090857.24de6532.kamezawa.hiroyu@jp.fujitsu.com> X-Mailer: Claws Mail 3.7.8cvs52 (GTK+ 2.22.0; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 28 Apr 2011 09:08:57 +0900 KAMEZAWA Hiroyuki wrote: > now mm_counters are update in per-thread and removing non-atomic > will not have big impact in performance, I hope. > > Acked-by: KAMEZAWA Hiroyuki Thanks! Note that this patch doesn't enable per-thread counters for the non-USE_SPLIT_PTLOCKS case; SPLIT_RSS_COUNTING is still only enabled if USE_SPLIT_PTLOCKS is on. -- Matt Fleming, Intel Open Source Technology Center