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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
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
18void numa_setup(void);
19int numa_pfn_to_nid(unsigned long pfn);
20int __node_distance(int a, int b);
21void numa_update_cpu_topology(void);
22
23extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
24extern int numa_debug_enabled;
25
26#else
27
28static inline void numa_setup(void) { }
29static inline void numa_update_cpu_topology(void) { }
30static inline int numa_pfn_to_nid(unsigned long pfn)
31{
32 return 0;
33}
34
35#endif /* CONFIG_NUMA */
36#endif /* _ASM_S390_NUMA_H */