[PATCH] x86_64: Early initialization of cpu_to_node
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-x86_64 / numa.h
blob34e434ce3268409b7cc90f5fb1c6c925d051086c
1 #ifndef _ASM_X8664_NUMA_H
2 #define _ASM_X8664_NUMA_H 1
4 #include <linux/nodemask.h>
5 #include <asm/numnodes.h>
7 struct node {
8 u64 start,end;
9 };
11 extern int compute_hash_shift(struct node *nodes, int numnodes);
12 extern int pxm_to_node(int nid);
14 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
16 extern void numa_add_cpu(int cpu);
17 extern void numa_init_array(void);
18 extern int numa_off;
20 extern void numa_set_node(int cpu, int node);
22 extern unsigned char apicid_to_node[256];
23 #ifdef CONFIG_NUMA
24 extern void __init init_cpu_to_node(void);
25 #else
26 #define init_cpu_to_node() do {} while (0)
27 #endif
29 #define NUMA_NO_NODE 0xff
31 #endif