| 1 |
|
| 2 | #ifndef __ASM_GENERIC_NUMA_H
|
| 3 | #define __ASM_GENERIC_NUMA_H
|
| 4 |
|
| 5 | #ifdef CONFIG_NUMA
|
| 6 |
|
| 7 | #define NR_NODE_MEMBLKS (MAX_NUMNODES * 2)
|
| 8 |
|
| 9 | int __node_distance(int from, int to);
|
| 10 | #define node_distance(a, b) __node_distance(a, b)
|
| 11 |
|
| 12 | extern nodemask_t numa_nodes_parsed __initdata;
|
| 13 |
|
| 14 | extern bool numa_off;
|
| 15 |
|
| 16 |
|
| 17 | extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
|
| 18 | void numa_clear_node(unsigned int cpu);
|
| 19 |
|
| 20 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS
|
| 21 | const struct cpumask *cpumask_of_node(int node);
|
| 22 | #else
|
| 23 |
|
| 24 | static inline const struct cpumask *cpumask_of_node(int node)
|
| 25 | {
|
| 26 | if (node == NUMA_NO_NODE)
|
| 27 | return cpu_all_mask;
|
| 28 |
|
| 29 | return node_to_cpumask_map[node];
|
| 30 | }
|
| 31 | #endif
|
| 32 |
|
| 33 | void __init arch_numa_init(void);
|
| 34 | int __init numa_add_memblk(int nodeid, u64 start, u64 end);
|
| 35 | void __init early_map_cpu_to_node(unsigned int cpu, int nid);
|
| 36 | int early_cpu_to_node(int cpu);
|
| 37 | void numa_store_cpu_info(unsigned int cpu);
|
| 38 | void numa_add_cpu(unsigned int cpu);
|
| 39 | void numa_remove_cpu(unsigned int cpu);
|
| 40 |
|
| 41 | #else
|
| 42 |
|
| 43 | static inline void numa_store_cpu_info(unsigned int cpu) { }
|
| 44 | static inline void numa_add_cpu(unsigned int cpu) { }
|
| 45 | static inline void numa_remove_cpu(unsigned int cpu) { }
|
| 46 | static inline void arch_numa_init(void) { }
|
| 47 | static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { }
|
| 48 | static inline int early_cpu_to_node(int cpu) { return 0; }
|
| 49 |
|
| 50 | #endif
|
| 51 |
|
| 52 | #ifdef CONFIG_NUMA_EMU
|
| 53 | void debug_cpumask_set_cpu(unsigned int cpu, int node, bool enable);
|
| 54 | #endif
|
| 55 |
|
| 56 | #endif
|