arch/s390/include/asm/numa.h

   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 */