From: Jack Steiner <steiner@sgi.com>
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
Date: Fri, 21 Mar 2008 08:31:57 -0500 [thread overview]
Message-ID: <20080321133157.GA10911@sgi.com> (raw)
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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next reply other threads:[~2008-03-21 13:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 13:31 Jack Steiner [this message]
2008-03-21 14:24 ` Ingo Molnar
2008-03-25 16:41 ` Andreas Herrmann
2008-03-25 16:54 ` Jack Steiner
2008-03-25 21:02 ` Chris Snook
2008-03-27 17:30 ` Andreas Herrmann
2008-03-27 17:55 ` Jack Steiner
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