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| author | Andi Kleen <ak@suse.de> | 2006-04-18 12:35:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-18 10:39:19 -0700 |
| commit | 6fa679fdea22cd96287d4aa11ee771bcd46c6dfb (patch) | |
| tree | 42c96f5178c7c15ad4032918375ad097cf8ea0a1 /include/asm-x86_64 | |
| parent | 8bcc5280e68878d2b989c91d98305109e391c86a (diff) | |
| download | op-kernel-dev-6fa679fdea22cd96287d4aa11ee771bcd46c6dfb.zip op-kernel-dev-6fa679fdea22cd96287d4aa11ee771bcd46c6dfb.tar.gz | |
[PATCH] x86_64: Increase NUMA hash function nodemap
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>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/mmzone.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 6b18cd8..6944e71 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -12,7 +12,8 @@ #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 */ struct memnode { |
