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x86: increase max physical memory size of 64-bit

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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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jack Steiner 2008-03-21 08:31:57 -05:00 committed by Ingo Molnar
parent 709f744f18
commit 8434e73d9e
1 changed files with 2 additions and 2 deletions
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4
include/asm-x86/sparsemem.h
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@ -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 */