Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751156AbWHBEhK (ORCPT ); Wed, 2 Aug 2006 00:37:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751160AbWHBEhK (ORCPT ); Wed, 2 Aug 2006 00:37:10 -0400 Received: from ns1.suse.de ([195.135.220.2]:6276 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751156AbWHBEhJ (ORCPT ); Wed, 2 Aug 2006 00:37:09 -0400 From: Andi Kleen To: Dave Jones Subject: Re: frequent slab corruption (since a long time) Date: Wed, 2 Aug 2006 06:35:00 +0200 User-Agent: KMail/1.9.3 Cc: linux-kernel@vger.kernel.org References: <20060802021617.GH22589@redhat.com> <20060802042200.GA30216@redhat.com> In-Reply-To: <20060802042200.GA30216@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200608020635.00991.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 734 Lines: 19 On Wednesday 02 August 2006 06:22, Dave Jones wrote: > Problem with that approach is that DEBUG_PAGEALLOC makes things > so damned slow that it's pretty much unusable, and this bug > doesn't seem to want to repeat itself to order, so I doubt > many people would put up with the slowdown long enough to chase it down. Really? It shouldn't be that much slower in theory. Do you have numbers? If it's a big problem it could probably be made faster by batching the TLB flushes more. -Andi - 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/