Messages in this thread Patch in this message | | | Date | Fri, 21 Mar 2008 08:31:57 -0500 | From | Jack Steiner <> | Subject | [PATCH] - Increase max physical memory size of x86_64 |
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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 <steiner@sgi.com>
--- 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 */
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