Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933679AbXLMWH2 (ORCPT ); Thu, 13 Dec 2007 17:07:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762858AbXLMWHR (ORCPT ); Thu, 13 Dec 2007 17:07:17 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:49067 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762600AbXLMWHP (ORCPT ); Thu, 13 Dec 2007 17:07:15 -0500 Date: Thu, 13 Dec 2007 14:07:14 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Ingo Molnar cc: Pekka Enberg , Linus Torvalds , Andrew Morton , Matt Mackall , "Rafael J. Wysocki" , LKML Subject: Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23] In-Reply-To: <20071209085030.GA14264@elte.hu> Message-ID: References: <200712080340.49546.rjw@sisk.pl> <20071208093039.GA28054@elte.hu> <20071208163749.GI19691@waste.org> <20071208100950.a3547868.akpm@linux-foundation.org> <20071208195211.GA3727@elte.hu> <20071208202930.GA17934@elte.hu> <84144f020712090020o5bdeb54fqaa9e6578bd066f29@mail.gmail.com> <20071209085030.GA14264@elte.hu> 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: 712 Lines: 17 On Sun, 9 Dec 2007, Ingo Molnar wrote: > unless i'm missing something obvious (and i easily might), i see SLUB as > SLAB reimplemented with a different queueing model. Not "without > queueing". The "queue" that you are talking about is the freelist of a slab. It exist for each slab. SLAB uses a table of free entries there. The freelist is limited to a slab and thus the locality of the freelist is bound to the same page which avoids NUMA locality checks. -- 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/