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[PATCH] x86_64: Increase NUMA hash function nodemap

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Needed for some big Opteron systems to compute a numa hash function
They have more than 12 bits significant address.

TBD switch this over to dynamic allocation or use better hash

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen
2006-04-18 12:35:16 +02:00
committed by Linus Torvalds
parent 8bcc5280e6
commit 6fa679fdea
1 changed files with 2 additions and 1 deletions
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3
include/asm-x86_64/mmzone.h
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@@ -12,7 +12,8 @@
#include <asm/smp.h> #include <asm/smp.h>
#define NODEMAPSIZE 0xfff /* Should really switch to dynamic allocation at some point */
#define NODEMAPSIZE 0x4fff
/* Simple perfect hash to map physical addresses to node numbers */ /* Simple perfect hash to map physical addresses to node numbers */
struct memnode { struct memnode {