Release 4.14 arch/arm64/include/asm/numa.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_NUMA_H

#define __ASM_NUMA_H

#include <asm/topology.h>

#ifdef CONFIG_NUMA


#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 CONFIG_DEBUG_PER_CPU_MAPS
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];
}
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#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);

#else	/* CONFIG_NUMA */



static inline void numa_store_cpu_info(unsigned int cpu) { }
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static inline void arm64_numa_init(void) { }
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static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { }

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#endif	/* CONFIG_NUMA */

#endif	/* __ASM_NUMA_H */
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Directory: arch/arm64/include/asm

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