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 7struct bootnode { 8 u64 start; 9 u64 end; 10}; 11 12extern int compute_hash_shift(struct bootnode *nodes, int numblks, 13 int *nodeids); 14 15#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT)) 16 17extern void numa_init_array(void); 18extern int numa_off; 19 20extern s16 apicid_to_node[MAX_LOCAL_APIC]; 21 22extern unsigned long numa_free_all_bootmem(void); 23extern 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 34extern void __init init_cpu_to_node(void); 35extern void __cpuinit numa_set_node(int cpu, int node); 36extern void __cpuinit numa_clear_node(int cpu); 37extern void __cpuinit numa_add_cpu(int cpu); 38extern void __cpuinit numa_remove_cpu(int cpu); 39 40#ifdef CONFIG_NUMA_EMU 41#define FAKE_NODE_MIN_SIZE ((u64)64 << 20) 42#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) 43#endif /* CONFIG_NUMA_EMU */ 44#else 45static inline void init_cpu_to_node(void) { } 46static inline void numa_set_node(int cpu, int node) { } 47static inline void numa_clear_node(int cpu) { } 48static inline void numa_add_cpu(int cpu, int node) { } 49static inline void numa_remove_cpu(int cpu) { } 50#endif 51 52#endif /* _ASM_X86_NUMA_64_H */ 53