/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_NUMA_H #define __ASM_NUMA_H #include <asm/topology.h> #ifdef [31mCONFIG_NUMA[0m #define NR_NODE_MEMBLKS (MAX_NUMNODES * 2) int __node_distance(int from, int to); #define node_distance(a, b) __node_distance(a, b) extern nodemask_t numa_nodes_parsed __initdata; extern bool numa_off; /* Mappings between node number and cpus on that node. */ extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; void numa_clear_node(unsigned int cpu); #ifdef [31mCONFIG_DEBUG_PER_CPU_MAPS[0m const struct cpumask *cpumask_of_node(int node); #else /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ static inline const struct cpumask *cpumask_of_node(int node) { return node_to_cpumask_map[node]; } #endif void __init arm64_numa_init(void); int __init numa_add_memblk(int nodeid, u64 start, u64 end); void __init numa_set_distance(int from, int to, int distance); void __init numa_free_distance(void); void __init early_map_cpu_to_node(unsigned int cpu, int nid); void numa_store_cpu_info(unsigned int cpu); void numa_add_cpu(unsigned int cpu); void numa_remove_cpu(unsigned int cpu); #else /* CONFIG_NUMA */ static inline void numa_store_cpu_info(unsigned int cpu) { } static inline void numa_add_cpu(unsigned int cpu) { } static inline void numa_remove_cpu(unsigned int cpu) { } static inline void arm64_numa_init(void) { } static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { } #endif /* CONFIG_NUMA */ #endif /* __ASM_NUMA_H */ |