Commit 6fa679fd authored Apr 18, 2006 by Andi Kleen Committed by Linus Torvalds Apr 18, 2006

[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>

parent 8bcc5280

include/asm-x86_64/mmzone.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -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 {