Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S274905AbTHABBH (ORCPT ); Thu, 31 Jul 2003 21:01:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S274910AbTHABBH (ORCPT ); Thu, 31 Jul 2003 21:01:07 -0400 Received: from holomorphy.com ([66.224.33.161]:44250 "EHLO holomorphy") by vger.kernel.org with ESMTP id S274905AbTHABBF (ORCPT ); Thu, 31 Jul 2003 21:01:05 -0400 Date: Thu, 31 Jul 2003 18:02:16 -0700 From: William Lee Irwin III To: "Martin J. Bligh" Cc: Andrew Morton , linux-kernel Subject: Re: Panic on 2.6.0-test1-mm1 Message-ID: <20030801010216.GN15452@holomorphy.com> Mail-Followup-To: William Lee Irwin III , "Martin J. Bligh" , Andrew Morton , linux-kernel References: <5110000.1059489420@[10.10.2.4]> <20030731223710.GI15452@holomorphy.com> <390810000.1059698875@flay> <20030801005310.GM15452@holomorphy.com> <393910000.1059699469@flay> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <393910000.1059699469@flay> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 895 Lines: 21 At some point in the past, I wrote: >> pgd_dtor() will never be called on PAE due to the above code (thanks to >> the PTRS_PER_PMD check), _unless_ mingo's patch is applied (which backs >> out the PTRS_PER_PMD check). On Thu, Jul 31, 2003 at 05:57:49PM -0700, Martin J. Bligh wrote: > OK, might have made a mistake ... I can rerun it if you want, but the > latest kernel seems to work now. There was a spinlock acquisition in there, too, so if you're seeing weird performance effects in an update (not sure if there are any yet), generating a patch to skip that, the list op, and not install pgd_dtor() when PTRS_PER_PMD == 1 is in order. -- wli - 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/