From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759720AbZAWP5f (ORCPT ); Fri, 23 Jan 2009 10:57:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756088AbZAWP5D (ORCPT ); Fri, 23 Jan 2009 10:57:03 -0500 Received: from smtp.ultrahosting.com ([74.213.174.254]:42531 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754628AbZAWP5A (ORCPT ); Fri, 23 Jan 2009 10:57:00 -0500 Date: Fri, 23 Jan 2009 10:25:06 -0500 (EST) From: Christoph Lameter X-X-Sender: cl@qirst.com To: Pekka Enberg cc: Nick Piggin , yanmin_zhang@linux.intel.com, Andi Kleen , Matthew Wilcox , linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: [PATCH] SLUB: revert direct page allocator pass through In-Reply-To: <84144f020901230716n3f106034x8a10463b411c9a9b@mail.gmail.com> Message-ID: References: <200901231952.53961.nickpiggin@yahoo.com.au> <84144f020901230716n3f106034x8a10463b411c9a9b@mail.gmail.com> 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 Fri, 23 Jan 2009, Pekka Enberg wrote: > 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. > > So, is that an ACK or a NAK for the patch?-) 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