projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a2db300 GK |
1 | #ifndef __ASM_NUMA_H |
| 2 | #define __ASM_NUMA_H | |
| 3 | ||
| 4 | #include <asm/topology.h> | |
| 5 | ||
| 6 | #ifdef CONFIG_NUMA | |
| 7 | ||
| d8b47fca HG |
8 | #define NR_NODE_MEMBLKS (MAX_NUMNODES * 2) |
| 9 | ||
| 1a2db300 GK |
10 | /* currently, arm64 implements flat NUMA topology */ |
| 11 | #define parent_node(node) (node) | |
| 12 | ||
| 13 | int __node_distance(int from, int to); | |
| 14 | #define node_distance(a, b) __node_distance(a, b) | |
| 15 | ||
| 16 | extern nodemask_t numa_nodes_parsed __initdata; | |
| 17 | ||
| 18 | /* Mappings between node number and cpus on that node. */ | |
| 19 | extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; | |
| 20 | void numa_clear_node(unsigned int cpu); | |
| 21 | ||
| 22 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS | |
| 23 | const struct cpumask *cpumask_of_node(int node); | |
| 24 | #else | |
| 25 | /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ | |
| 26 | static inline const struct cpumask *cpumask_of_node(int node) | |
| 27 | { | |
| 28 | return node_to_cpumask_map[node]; | |
| 29 | } | |
| 30 | #endif | |
| 31 | ||
| 32 | void __init arm64_numa_init(void); | |
| 33 | int __init numa_add_memblk(int nodeid, u64 start, u64 end); | |
| 34 | void __init numa_set_distance(int from, int to, int distance); | |
| 35 | void __init numa_free_distance(void); | |
| 36 | void __init early_map_cpu_to_node(unsigned int cpu, int nid); | |
| 37 | void numa_store_cpu_info(unsigned int cpu); | |
| 38 | ||
| 39 | #else /* CONFIG_NUMA */ | |
| 40 | ||
| 41 | static inline void numa_store_cpu_info(unsigned int cpu) { } | |
| 42 | static inline void arm64_numa_init(void) { } | |
| 43 | static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { } | |
| 44 | ||
| 45 | #endif /* CONFIG_NUMA */ | |
| 46 | ||
| 47 | #endif /* __ASM_NUMA_H */ |