From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969336AbXEIBxj (ORCPT ); Tue, 8 May 2007 21:53:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S967364AbXEIBxa (ORCPT ); Tue, 8 May 2007 21:53:30 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:42606 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S967098AbXEIBx3 (ORCPT ); Tue, 8 May 2007 21:53:29 -0400 Date: Tue, 8 May 2007 18:53:28 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: David Miller cc: mpm@selenic.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: + fix-spellings-of-slab-allocator-section-in-init-kconfig.patch added to -mm tree In-Reply-To: <20070508.185141.85412154.davem@davemloft.net> Message-ID: References: <20070509012725.GZ11115@waste.org> <20070508.185141.85412154.davem@davemloft.net> 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 On Tue, 8 May 2007, David Miller wrote: > SLOB seems to look at the descriptor in the previous blob to figure > out how big the being-freed blob is. That's actually kind of clever > :-) We were assuming that the objects are actually allocated. How does it figure out the previous blobs boundaries without metadata?