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Tejun Heobbc9e2f2011-01-23 14:37:39 +01001#ifndef _ASM_X86_NUMA_H
2#define _ASM_X86_NUMA_H
3
Tejun Heode2d9442011-01-23 14:37:41 +01004#include <asm/topology.h>
Tejun Heobbc9e2f2011-01-23 14:37:39 +01005#include <asm/apicdef.h>
6
7#ifdef CONFIG_NUMA
Tejun Heoef396ec2011-02-16 17:11:07 +01008
9#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
10
Tejun Heobbc9e2f2011-01-23 14:37:39 +010011/*
12 * __apicid_to_node[] stores the raw mapping between physical apicid and
13 * node and is used to initialize cpu_to_node mapping.
14 *
15 * The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus
16 * should be accessed by the accessors - set_apicid_to_node() and
17 * numa_cpu_node().
18 */
19extern s16 __apicid_to_node[MAX_LOCAL_APIC];
20
21static inline void set_apicid_to_node(int apicid, s16 node)
22{
23 __apicid_to_node[apicid] = node;
24}
25#else /* CONFIG_NUMA */
26static inline void set_apicid_to_node(int apicid, s16 node)
27{
28}
29#endif /* CONFIG_NUMA */
30
Thomas Gleixner96a388d2007-10-11 11:20:03 +020031#ifdef CONFIG_X86_32
32# include "numa_32.h"
33#else
34# include "numa_64.h"
35#endif
Tejun Heobbc9e2f2011-01-23 14:37:39 +010036
Tejun Heo645a7912011-01-23 14:37:40 +010037#ifdef CONFIG_NUMA
38extern void __cpuinit numa_set_node(int cpu, int node);
39extern void __cpuinit numa_clear_node(int cpu);
Tejun Heo8db78cc2011-01-23 14:37:42 +010040extern void __init numa_init_array(void);
41extern void __init init_cpu_to_node(void);
Tejun Heode2d9442011-01-23 14:37:41 +010042extern void __cpuinit numa_add_cpu(int cpu);
43extern void __cpuinit numa_remove_cpu(int cpu);
Tejun Heo645a7912011-01-23 14:37:40 +010044#else /* CONFIG_NUMA */
45static inline void numa_set_node(int cpu, int node) { }
46static inline void numa_clear_node(int cpu) { }
Tejun Heo8db78cc2011-01-23 14:37:42 +010047static inline void numa_init_array(void) { }
48static inline void init_cpu_to_node(void) { }
Tejun Heode2d9442011-01-23 14:37:41 +010049static inline void numa_add_cpu(int cpu) { }
50static inline void numa_remove_cpu(int cpu) { }
Tejun Heo645a7912011-01-23 14:37:40 +010051#endif /* CONFIG_NUMA */
52
Tejun Heode2d9442011-01-23 14:37:41 +010053#ifdef CONFIG_DEBUG_PER_CPU_MAPS
54struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable);
55#endif
56
Tejun Heobbc9e2f2011-01-23 14:37:39 +010057#endif /* _ASM_X86_NUMA_H */