From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 21 Mar 2008 08:31:57 -0500 From: Jack Steiner 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 Sender: owner-linux-mm@kvack.org Return-Path: To: mingo@elte.hu, ak@suse.de, tglx@linutronix.de Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org