Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755600AbYGaQDY (ORCPT ); Thu, 31 Jul 2008 12:03:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752431AbYGaQDQ (ORCPT ); Thu, 31 Jul 2008 12:03:16 -0400 Received: from one.firstfloor.org ([213.235.205.2]:36737 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751819AbYGaQDP (ORCPT ); Thu, 31 Jul 2008 12:03:15 -0400 Date: Thu, 31 Jul 2008 18:03:20 +0200 From: Andi Kleen To: Christoph Lameter Cc: Andi Kleen , Matt Mackall , Linus Torvalds , Pekka J Enberg , Christoph Lameter , Ingo Molnar , Hugh Dickins , Peter Zijlstra , Linux Kernel Mailing List , vegard.nossum@gmail.com, hannes@saeurebad.de, matthew@wil.cx Subject: Re: [RFC PATCH] greatly reduce SLOB external fragmentation Message-ID: <20080731160320.GQ23938@one.firstfloor.org> References: <1199919548.6245.74.camel@cinder.waste.org> <1217466583.18911.226.camel@calx> <20080731141134.GP23938@one.firstfloor.org> <4891D979.6090802@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4891D979.6090802@linux-foundation.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 949 Lines: 20 On Thu, Jul 31, 2008 at 10:25:45AM -0500, Christoph Lameter wrote: > Andi Kleen wrote: > >> Finally getting rid of SLAB is a much trickier proposition because SLUB > >> still loses in a few important corner cases. > > > > The big issue is that we haven't really made much progress on at least > > some of these test cases (like the database benchmarks) for quite some > > time (and that wasn't for a lack of trying) :-/ Might be a fundamental > > problem. > > It would be good to have more of these benchmark regressions than just TPC which requires a database setup etc etc. Preferably something that is easily runnable by everyone. AFAIK willy had a small test case for at least one of them. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/