From 6fa679fdea22cd96287d4aa11ee771bcd46c6dfb Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 18 Apr 2006 12:35:16 +0200 Subject: [PATCH] [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 Signed-off-by: Linus Torvalds --- include/asm-x86_64/mmzone.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 6b18cd8f293..6944e7122df 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -12,7 +12,8 @@ #include -#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 { -- 2.20.1