Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757470AbYCUNcR (ORCPT ); Fri, 21 Mar 2008 09:32:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753637AbYCUNcE (ORCPT ); Fri, 21 Mar 2008 09:32:04 -0400 Received: from relay1.sgi.com ([192.48.171.29]:39745 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753900AbYCUNcD (ORCPT ); Fri, 21 Mar 2008 09:32:03 -0400 Date: Fri, 21 Mar 2008 08:31:57 -0500 From: Jack Steiner To: mingo@elte.hu, ak@suse.de, tglx@linutronix.de Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] - Increase max physical memory size of x86_64 Message-ID: <20080321133157.GA10911@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1095 Lines: 30 Increase the maximum physical address size of x86_64 system to 44-bits. This is in preparation for future chips that support larger physical memory sizes. Signed-off-by: Jack Steiner --- include/asm-x86/sparsemem.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux/include/asm-x86/sparsemem.h =================================================================== --- linux.orig/include/asm-x86/sparsemem.h 2008-03-10 00:22:27.000000000 -0500 +++ linux/include/asm-x86/sparsemem.h 2008-03-11 14:46:29.000000000 -0500 @@ -26,8 +26,8 @@ # endif #else /* CONFIG_X86_32 */ # define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */ -# define MAX_PHYSADDR_BITS 40 -# define MAX_PHYSMEM_BITS 40 +# define MAX_PHYSADDR_BITS 44 +# define MAX_PHYSMEM_BITS 44 #endif #endif /* CONFIG_SPARSEMEM */ -- 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/