Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751213AbWHPPGF (ORCPT ); Wed, 16 Aug 2006 11:06:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751217AbWHPPGF (ORCPT ); Wed, 16 Aug 2006 11:06:05 -0400 Received: from omx1-ext.sgi.com ([192.48.179.11]:58276 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S1751213AbWHPPGE (ORCPT ); Wed, 16 Aug 2006 11:06:04 -0400 Date: Wed, 16 Aug 2006 08:05:35 -0700 (PDT) From: Christoph Lameter To: Andi Kleen cc: mpm@selenic.com, Marcelo Tosatti , linux-kernel@vger.kernel.org, Nick Piggin , Andi Kleen , Manfred Spraul , Dave Chinner Subject: Re: [MODSLAB 0/7] A modular slab allocator V1 In-Reply-To: <20060816095254.14ac872c.ak@muc.de> Message-ID: References: <20060816022238.13379.24081.sendpatchset@schroedinger.engr.sgi.com> <20060816095254.14ac872c.ak@muc.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1376 Lines: 41 On Wed, 16 Aug 2006, Andi Kleen wrote: > What other ones do we have? vmalloc and the page allocators you derive from others using the framework. > > 1. shrink_slab takes a function to move object. Using that > > function slabs can be defragmented to ease slab reclaim. > > Does that help with the inefficient dcache/icache pruning? It will fix that if the dcache/icache would provide a move object function. > > > - No support for pagese > > What does that mean? That was just clutter. Sorry. > > > Performance tests with AIM7 on an 8p Itanium machine (4 NUMA nodes) > > (Memory spreading active which means that we do not take advantage of NUMA locality > > in favor of load balancing) > > Hmm, i'm not sure how allocator intensive AIM7 is. I guess networking > would be a good test because it is very sensitive to allocator performance. > Perhaps also check with the routing people on netdev -- they seem to be able > to stress the allocator very much. Yeah, well I think the implementations could be much more sophisticated and one should do better tests but I am not sure how much time I can spend on them. - 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/