From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965260AbVIIFe2 (ORCPT ); Fri, 9 Sep 2005 01:34:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965261AbVIIFe2 (ORCPT ); Fri, 9 Sep 2005 01:34:28 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:5853 "EHLO fgwmail6.fujitsu.co.jp") by vger.kernel.org with ESMTP id S965260AbVIIFe2 (ORCPT ); Fri, 9 Sep 2005 01:34:28 -0400 Message-ID: <43211EBD.9080405@jp.fujitsu.com> Date: Fri, 09 Sep 2005 14:33:49 +0900 From: KAMEZAWA Hiroyuki User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: ja, en-us, en MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org Subject: [2.6.13-mm2] i386-sparsemem-compile-with-DMA32 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Because 2.6.13-mm2 adds new zone DMA32, ZONES_SHIFT becomes 3. So, flags bits reserved for (SECTION | NODE | ZONE) should be increase. -- Kame == ZONE_SHIFT is increased, FLAGS_RESERVED should be. Signed-off-by Kamezawa Hiroyuki Index: linux-2.6.13-mm2/include/linux/mmzone.h =================================================================== --- linux-2.6.13-mm2.orig/include/linux/mmzone.h +++ linux-2.6.13-mm2/include/linux/mmzone.h @@ -458,10 +458,11 @@ extern struct pglist_data contig_page_da #if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED) /* * with 32 bit page->flags field, we reserve 8 bits for node/zone info. - * there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes. + * there are 4 zones (3 bits) and this leaves 8-2=6 bits for nodes. + * +6bits for sections if CONFIG_SPARSEMEM */ -#define FLAGS_RESERVED 8 +#define FLAGS_RESERVED 9 #elif BITS_PER_LONG == 64 /*