From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753882AbZBWIey (ORCPT ); Mon, 23 Feb 2009 03:34:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751550AbZBWIeq (ORCPT ); Mon, 23 Feb 2009 03:34:46 -0500 Received: from mga09.intel.com ([134.134.136.24]:27330 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751430AbZBWIep (ORCPT ); Mon, 23 Feb 2009 03:34:45 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.38,253,1233561600"; d="scan'208";a="388965082" Subject: Re: [RFC PATCH 00/20] Cleanup and optimise the page allocator From: "Zhang, Yanmin" To: Pekka Enberg Cc: Mel Gorman , Linux Memory Management List , Rik van Riel , KOSAKI Motohiro , Christoph Lameter , Johannes Weiner , Nick Piggin , Linux Kernel Mailing List , Lin Ming In-Reply-To: <84144f020902222329u5754f8b1k790809191ac48f4a@mail.gmail.com> References: <1235344649-18265-1-git-send-email-mel@csn.ul.ie> <84144f020902222329u5754f8b1k790809191ac48f4a@mail.gmail.com> Content-Type: text/plain Date: Mon, 23 Feb 2009 16:34:25 +0800 Message-Id: <1235378065.2604.434.camel@ymzhang> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1 (2.22.1-2.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2009-02-23 at 09:29 +0200, Pekka Enberg wrote: > On Mon, Feb 23, 2009 at 1:17 AM, Mel Gorman wrote: > > The complexity of the page allocator has been increasing for some time > > and it has now reached the point where the SLUB allocator is doing strange > > tricks to avoid the page allocator. This is obviously bad as it may encourage > > other subsystems to try avoiding the page allocator as well. > > I'm not an expert on the page allocator but the series looks sane to me. > > Acked-by: Pekka Enberg > > Yanmin, it would be interesting to know if we still need 8K kmalloc > caches with these patches applied. :-) We are running testing against the series of patches on top of 2.6.29-rc5, and will keep you posted on the results.