arch/x86/include/asm/numa.h

   1 #ifndef _ASM_X86_NUMA_H
   2 #define _ASM_X86_NUMA_H
   3
   4 #include <asm/apicdef.h>
   5
   6 #ifdef CONFIG_NUMA
   7 /*
   8  * __apicid_to_node[] stores the raw mapping between physical apicid and
   9  * node and is used to initialize cpu_to_node mapping.
  10  *
  11  * The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus
  12  * should be accessed by the accessors - set_apicid_to_node() and
  13  * numa_cpu_node().
  14  */
  15 extern s16 __apicid_to_node[MAX_LOCAL_APIC];
  16
  17 static inline void set_apicid_to_node(int apicid, s16 node)
  18 {
  19         __apicid_to_node[apicid] = node;
  20 }
  21 #else   /* CONFIG_NUMA */
  22 static inline void set_apicid_to_node(int apicid, s16 node)
  23 {
  24 }
  25 #endif  /* CONFIG_NUMA */
  26
  27 #ifdef CONFIG_X86_32
  28 # include "numa_32.h"
  29 #else
  30 # include "numa_64.h"
  31 #endif
  32
  33 #ifdef CONFIG_NUMA
  34 extern void __cpuinit numa_set_node(int cpu, int node);
  35 extern void __cpuinit numa_clear_node(int cpu);
  36 #else   /* CONFIG_NUMA */
  37 static inline void numa_set_node(int cpu, int node)     { }
  38 static inline void numa_clear_node(int cpu)             { }
  39 #endif  /* CONFIG_NUMA */
  40
  41 #endif  /* _ASM_X86_NUMA_H */