Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261671AbUKOVFu (ORCPT ); Mon, 15 Nov 2004 16:05:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261720AbUKOVFs (ORCPT ); Mon, 15 Nov 2004 16:05:48 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:2698 "EHLO MTVMIME01.enterprise.veritas.com") by vger.kernel.org with ESMTP id S261713AbUKOVE0 (ORCPT ); Mon, 15 Nov 2004 16:04:26 -0500 Date: Mon, 15 Nov 2004 21:04:08 +0000 (GMT) From: Hugh Dickins X-X-Sender: hugh@localhost.localdomain To: "Martin J. Bligh" cc: Andrew Morton , Subject: Re: [PATCH] low discontig highmem_start_page In-Reply-To: <13880000.1100551550@flay> Message-ID: 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 Content-Length: 852 Lines: 20 On Mon, 15 Nov 2004, Martin J. Bligh wrote: > --On Monday, November 15, 2004 20:37:28 +0000 Hugh Dickins wrote: > > > In the case of i386 CONFIG_DISCONTIGMEM CONFIG_HIGHMEM without highmem, > > highmem_start_page was wrongly initialized (from a NULL zone_mem_map), > > causing __change_page_attr to BUG on boot. > > Thanks, I'm not suprised that was broken - I never test without highmem ;-) Yes, I imagine it's a pretty odd combination: the tmpfs symlink mpol screwup shows I wasn't testing NUMA enough, and I often lower my mem with mem= to increase the pressure, so hit this. Hugh - 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/