Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261685AbUKOUlH (ORCPT ); Mon, 15 Nov 2004 15:41:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261691AbUKOUjx (ORCPT ); Mon, 15 Nov 2004 15:39:53 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:19886 "EHLO MTVMIME03.enterprise.veritas.com") by vger.kernel.org with ESMTP id S261685AbUKOUht (ORCPT ); Mon, 15 Nov 2004 15:37:49 -0500 Date: Mon, 15 Nov 2004 20:37:28 +0000 (GMT) From: Hugh Dickins X-X-Sender: hugh@localhost.localdomain To: Andrew Morton cc: "Martin J. Bligh" , Subject: [PATCH] low discontig highmem_start_page 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: 955 Lines: 23 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. Signed-off-by: Hugh Dickins --- 2.6.10-rc2/arch/i386/mm/discontig.c 2004-11-15 16:20:26.000000000 +0000 +++ linux/arch/i386/mm/discontig.c 2004-11-15 17:01:26.000000000 +0000 @@ -468,7 +468,7 @@ void __init set_max_mapnr_init(void) if (high0->spanned_pages > 0) highmem_start_page = high0->zone_mem_map; else - highmem_start_page = pfn_to_page(max_low_pfn+1); + highmem_start_page = pfn_to_page(max_low_pfn - 1) + 1; num_physpages = highend_pfn; #else num_physpages = max_low_pfn; - 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/