Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758086AbYJVVDs (ORCPT ); Wed, 22 Oct 2008 17:03:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752372AbYJVVDh (ORCPT ); Wed, 22 Oct 2008 17:03:37 -0400 Received: from nlpi053.sbcis.sbc.com ([207.115.36.82]:56439 "EHLO nlpi053.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbYJVVDg (ORCPT ); Wed, 22 Oct 2008 17:03:36 -0400 Date: Wed, 22 Oct 2008 14:01:28 -0700 (PDT) From: Christoph Lameter X-X-Sender: cl@quilx.com To: Pekka Enberg cc: Miklos Szeredi , nickpiggin@yahoo.com.au, hugh@veritas.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: SLUB defrag pull request? In-Reply-To: <84144f020810221348j536f0d84vca039ff32676e2cc@mail.gmail.com> Message-ID: References: <1223883004.31587.15.camel@penberg-laptop> <48FE6306.6020806@linux-foundation.org> <84144f020810221348j536f0d84vca039ff32676e2cc@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: -2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 676 Lines: 14 On Wed, 22 Oct 2008, Pekka Enberg wrote: > Actually, when debugging is enabled, it's customary to poison the > object, for example (see free_debug_processing() in mm/slub.c). So we > really can't "easily ensure" that in the allocator unless we by-pass > all the current debugging code. We may be talking of different frees here. Maybe what he means by freeing is that the object was put on the lru? And we understand a kfree(). -- 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/