Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758847AbWLADtZ (ORCPT ); Thu, 30 Nov 2006 22:49:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758842AbWLADtZ (ORCPT ); Thu, 30 Nov 2006 22:49:25 -0500 Received: from mga01.intel.com ([192.55.52.88]:21309 "EHLO mga01.intel.com") by vger.kernel.org with ESMTP id S1758823AbWLADtY (ORCPT ); Thu, 30 Nov 2006 22:49:24 -0500 X-ExtLoop1: 1 X-IronPort-AV: i="4.09,482,1157353200"; d="scan'208"; a="171443883:sNHT17592785" Subject: [patch]VMSPLIT_2G conflicts with PAE From: Shaohua Li To: lkml Cc: Andrew Morton Content-Type: text/plain Date: Fri, 01 Dec 2006 11:48:45 +0800 Message-Id: <1164944925.1918.5.camel@sli10-conroe.sh.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.1.1 (2.8.1.1-3.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 965 Lines: 26 PAGE_OFFSET is 0x78000000 with VMSPLIT_2G, this address is in the middle of the second pgd entry with pae enabled. This breaks assumptions (address is aligned to pgd entry's address) in a lot of places like pagetable_init. Fixing the assumptions is hard (eg, low mapping). SO I just changed the address to 0x80000000. Signed-off-by: Shaohua Li diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 8ff1c6f..fddfb26 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -532,7 +532,7 @@ endchoice config PAGE_OFFSET hex default 0xB0000000 if VMSPLIT_3G_OPT - default 0x78000000 if VMSPLIT_2G + default 0x80000000 if VMSPLIT_2G default 0x40000000 if VMSPLIT_1G default 0xC0000000 - 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/