[PATCH] x86_64: Speed up numa_node_id by putting it directly into the PDA

[pandora-kernel.git] / include / asm-x86_64 / topology.h

diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h
index 1c603cd..d39ebd5 100644 (file)
--- a/include/asm-x86_64/topology.h
+++ b/include/asm-x86_64/topology.h
@@ -28,6 +28,8 @@ extern int __node_distance(int, int);
 #define pcibus_to_node(bus)            ((long)(bus->sysdata))  
 #define pcibus_to_cpumask(bus)         node_to_cpumask(pcibus_to_node(bus));
 
+#define numa_node_id()                 read_pda(nodenumber)
+
 /* sched_domains SD_NODE_INIT for x86_64 machines */
 #define SD_NODE_INIT (struct sched_domain) {           \
        .span                   = CPU_MASK_NONE,        \