Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758937AbYHDRU5 (ORCPT ); Mon, 4 Aug 2008 13:20:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755259AbYHDRUo (ORCPT ); Mon, 4 Aug 2008 13:20:44 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:35293 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755620AbYHDRUn (ORCPT ); Mon, 4 Aug 2008 13:20:43 -0400 Message-ID: <48973A2B.3040304@linux-foundation.org> Date: Mon, 04 Aug 2008 12:19:39 -0500 From: Christoph Lameter User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: KOSAKI Motohiro CC: Matthew Wilcox , Pekka Enberg , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mel Gorman , andi@firstfloor.org, Rik van Riel , kosaki.motohiro@jp.fujitsu.com Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well References: <20080801182324.572058187@lameter.com> <20080803015847.GD26461@parisc-linux.org> <48970779.80902@linux-foundation.org> <2f11576a0808040947r69076eecv9ff92ecf583f7af2@mail.gmail.com> In-Reply-To: <2f11576a0808040947r69076eecv9ff92ecf583f7af2@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 573 Lines: 14 KOSAKI Motohiro wrote: > > When hackbench running, SLUB consume memory very largely than SLAB. > then, SLAB often outperform SLUB in memory stavation state. Re memory use: If SLUB finds that there is lock contention on a slab page then it will allocate a new one and dedicate it to a cpu in order to avoid future contentions. -- 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/