1 #ifndef _ASM_X86_NUMA_64_H
2 #define _ASM_X86_NUMA_64_H
3
4 #include <linux/nodemask.h>
5 #include <asm/apicdef.h>
6
7 struct bootnode {
8 u64 start;
9 u64 end;
10 };
11
12 extern int compute_hash_shift(struct bootnode *nodes, int numblks,
13 int *nodeids);
14
15 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
16
17 extern void numa_init_array(void);
18 extern int numa_off;
19
20 extern s16 apicid_to_node[MAX_LOCAL_APIC];
21
22 extern unsigned long numa_free_all_bootmem(void);
23 extern void setup_node_bootmem(int nodeid, unsigned long start,
24 unsigned long end);
25
26 #ifdef CONFIG_NUMA
27 /*
28 * Too small node sizes may confuse the VM badly. Usually they
29 * result from BIOS bugs. So dont recognize nodes as standalone
30 * NUMA entities that have less than this amount of RAM listed:
31 */
32 #define NODE_MIN_SIZE (4*1024*1024)
33
34 extern void __init init_cpu_to_node(void);
35 extern void __cpuinit numa_set_node(int cpu, int node);
36 extern void __cpuinit numa_clear_node(int cpu);
37 extern void __cpuinit numa_add_cpu(int cpu);
38 extern void __cpuinit numa_remove_cpu(int cpu);
39 #else
40 static inline void init_cpu_to_node(void) { }
41 static inline void numa_set_node(int cpu, int node) { }
42 static inline void numa_clear_node(int cpu) { }
43 static inline void numa_add_cpu(int cpu, int node) { }
44 static inline void numa_remove_cpu(int cpu) { }
45 #endif
46
47 #endif /* _ASM_X86_NUMA_64_H */
48
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