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 17void numa_setup(void); 18int numa_pfn_to_nid(unsigned long pfn); 19int __node_distance(int a, int b); 20void numa_update_cpu_topology(void); 21 22extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; 23extern int numa_debug_enabled; 24 25#else 26 27static inline void numa_setup(void) { } 28static inline void numa_update_cpu_topology(void) { } 29static inline int numa_pfn_to_nid(unsigned long pfn) 30{ 31 return 0; 32} 33 34#endif /* CONFIG_NUMA */ 35#endif /* _ASM_S390_NUMA_H */ 36