From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757661AbZAWPmb (ORCPT ); Fri, 23 Jan 2009 10:42:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753537AbZAWPmW (ORCPT ); Fri, 23 Jan 2009 10:42:22 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:42374 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751185AbZAWPmW (ORCPT ); Fri, 23 Jan 2009 10:42:22 -0500 Subject: Re: [PATCH] SLUB: revert direct page allocator pass through From: Pekka Enberg To: Christoph Lameter Cc: Nick Piggin , yanmin_zhang@linux.intel.com, Andi Kleen , Matthew Wilcox , linux-kernel@vger.kernel.org, akpm@linux-foundation.org In-Reply-To: References: <200901231952.53961.nickpiggin@yahoo.com.au> <84144f020901230716n3f106034x8a10463b411c9a9b@mail.gmail.com> Date: Fri, 23 Jan 2009 17:42:20 +0200 Message-Id: <1232725340.6094.95.camel@penberg-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit X-Mailer: Evolution 2.22.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 23, 2009 at 5:03 PM, Christoph Lameter > > wrote: > > > It seems that we currently need the slab allocators to compensate for the > > > performance problems in the page allocator for these higher order allocs. > > > I'd rather have the page allocator fixed but things are as they are. On Fri, 23 Jan 2009, Pekka Enberg wrote: > > So, is that an ACK or a NAK for the patch?-) On Fri, 2009-01-23 at 10:25 -0500, Christoph Lameter wrote: > Doesnt that break down Nick's order-0 dominates-the-world scheme break > down? One of the reasons for doing this was to get the page allocator > performance issues exposed and addressed. > > Acked-by: Christoph Lameter Thanks. I'm putting this in linux-next now. Lets see what breaks. Pekka