From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751393AbZHRTFc (ORCPT ); Tue, 18 Aug 2009 15:05:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751174AbZHRTFc (ORCPT ); Tue, 18 Aug 2009 15:05:32 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:53210 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751169AbZHRTFb (ORCPT ); Tue, 18 Aug 2009 15:05:31 -0400 Date: Tue, 18 Aug 2009 15:05:25 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Mel Gorman cc: Linux Memory Management List , Nick Piggin , Linux Kernel Mailing List Subject: Re: [RFC PATCH 0/3] Reduce searching in the page allocator fast-path In-Reply-To: <20090818165340.GB13435@csn.ul.ie> Message-ID: References: <1250594162-17322-1-git-send-email-mel@csn.ul.ie> <20090818165340.GB13435@csn.ul.ie> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 18 Aug 2009, Mel Gorman wrote: > Can you point me to which patchset you are talking about specifically that > uses per-cpu atomics in the hot path? There are a lot of per-cpu patches > related to you that have been posted in the last few months and I'm not sure > what any of their merge status' is. The following patch just moved the page allocator to use the new per cpu allocator. It does not use per cpu atomic yet but its possible then. http://marc.info/?l=linux-mm&m=124527414206546&w=2