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Date: Fri, 21 Mar 2008 08:31:57 -0500 From: Jack Steiner <steiner@....com> To: mingo@...e.hu, ak@...e.de, tglx@...utronix.de Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH] - Increase max physical memory size of x86_64 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@....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 */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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