[mirror_ubuntu-bionic-kernel.git] / arch / s390 / include / asm / numa.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
3a368f74 PH	2	/*
	3	* NUMA support for s390
	4	*
	5	* Declare the NUMA core code structures and functions.
	6	*
	7	* Copyright IBM Corp. 2015
	8	*/
	9
	10	#ifndef _ASM_S390_NUMA_H
	11	#define _ASM_S390_NUMA_H
	12
	13	#ifdef CONFIG_NUMA
	14
	15	#include <linux/numa.h>
	16	#include <linux/cpumask.h>
	17
	18	void numa_setup(void);
	19	int numa_pfn_to_nid(unsigned long pfn);
	20	int __node_distance(int a, int b);
	21	void numa_update_cpu_topology(void);
	22
22be9cd9	23	extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
3a368f74 PH	24	extern int numa_debug_enabled;
	25
	26	#else
	27
	28	static inline void numa_setup(void) { }
	29	static inline void numa_update_cpu_topology(void) { }
c29a7baf MH	30	static inline int numa_pfn_to_nid(unsigned long pfn)
	31	{
	32	return 0;
	33	}
3a368f74 PH	34
	35	#endif /* CONFIG_NUMA */
	36	#endif /* _ASM_S390_NUMA_H */