[deliverable/linux.git] / arch / s390 / include / asm / numa.h

/*
 * NUMA support for s390
 *
 * Declare the NUMA core code structures and functions.
 *
 * Copyright IBM Corp. 2015
 */

#ifndef _ASM_S390_NUMA_H
#define _ASM_S390_NUMA_H

#ifdef CONFIG_NUMA

#include <linux/numa.h>
#include <linux/cpumask.h>

void numa_setup(void);
int numa_pfn_to_nid(unsigned long pfn);
int __node_distance(int a, int b);
void numa_update_cpu_topology(void);

extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
extern int numa_debug_enabled;

#else

static inline void numa_setup(void) { }
static inline void numa_update_cpu_topology(void) { }
static inline int numa_pfn_to_nid(unsigned long pfn)
{
	return 0;
}

#endif /* CONFIG_NUMA */
#endif /* _ASM_S390_NUMA_H */
Commit	Line	Data
3a368f74 PH	1	/*
	2	* NUMA support for s390
	3	*
	4	* Declare the NUMA core code structures and functions.
	5	*
	6	* Copyright IBM Corp. 2015
	7	*/
	8
	9	#ifndef _ASM_S390_NUMA_H
	10	#define _ASM_S390_NUMA_H
	11
	12	#ifdef CONFIG_NUMA
	13
	14	#include <linux/numa.h>
	15	#include <linux/cpumask.h>
	16
	17	void numa_setup(void);
	18	int numa_pfn_to_nid(unsigned long pfn);
	19	int __node_distance(int a, int b);
	20	void numa_update_cpu_topology(void);
	21
22be9cd9	22	extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
3a368f74 PH	23	extern int numa_debug_enabled;
	24
	25	#else
	26
	27	static inline void numa_setup(void) { }
	28	static inline void numa_update_cpu_topology(void) { }
c29a7baf MH	29	static inline int numa_pfn_to_nid(unsigned long pfn)
	30	{
	31	return 0;
	32	}
3a368f74 PH	33
	34	#endif /* CONFIG_NUMA */
	35	#endif /* _ASM_S390_NUMA_H */