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 22 extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; 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) { } 29 static 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