summary refs log tree commit diff
diff options
context:
space:
mode:
authorJack Steiner <steiner@sgi.com>2008-03-21 08:31:57 -0500
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:21 +0200
commit8434e73d9ec2aeaa86389e362b960ffba5edd9c9 (patch)
tree79b18e8e22c91b2d856c22674a5d31d467733c1f
parent709f744f18ebc3a810d29c8d5502bf20c3cecc70 (diff)
downloadlinux-8434e73d9ec2aeaa86389e362b960ffba5edd9c9.tar.gz
x86: increase max physical memory size of 64-bit
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>
-rw-r--r--include/asm-x86/sparsemem.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h
index fa58cd55411a..fa684f353aa7 100644
--- a/include/asm-x86/sparsemem.h
+++ b/include/asm-x86/sparsemem.h
@@ -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 */