Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756605AbZJNS1v (ORCPT ); Wed, 14 Oct 2009 14:27:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756164AbZJNS1u (ORCPT ); Wed, 14 Oct 2009 14:27:50 -0400 Received: from smtp2.ultrahosting.com ([74.213.174.253]:56519 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753013AbZJNS1u (ORCPT ); Wed, 14 Oct 2009 14:27:50 -0400 Date: Wed, 14 Oct 2009 14:19:40 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Pekka Enberg cc: Mel Gorman , David Rientjes , Tejun Heo , linux-kernel@vger.kernel.org, Mathieu Desnoyers , Zhang Yanmin Subject: Re: [this_cpu_xx V6 7/7] this_cpu: slub aggressive use of this_cpu operations in the hotpaths In-Reply-To: <84144f020910140914u2c08655bjbd870019689ac947@mail.gmail.com> Message-ID: References: <20091014133457.GB5027@csn.ul.ie> <20091014154944.GD5027@csn.ul.ie> <4AD5F3F8.8080603@cs.helsinki.fi> <84144f020910140914u2c08655bjbd870019689ac947@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 Content-Length: 580 Lines: 14 On Wed, 14 Oct 2009, Pekka Enberg wrote: > Yeah, that should help but it's probably not something we can do for > mainline. I'm not sure how we can fix SLUB to support large objects > out-of-the-box as efficiently as SLAB does. We could add a per cpu "queue" through a pointer array in kmem_cache_cpu. Which is more SLQB than SLUB. -- 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/