include/asm-x86_64/numa.h

   1 #ifndef _ASM_X8664_NUMA_H
   2 #define _ASM_X8664_NUMA_H 1
   3
   4 #include <linux/nodemask.h>
   5
   6 struct bootnode {
   7         u64 start,end;
   8 };
   9
  10 extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
  11
  12 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
  13
  14 extern void numa_add_cpu(int cpu);
  15 extern void numa_init_array(void);
  16 extern int numa_off;
  17
  18 extern void numa_set_node(int cpu, int node);
  19 extern void srat_reserve_add_area(int nodeid);
  20 extern int hotadd_percent;
  21
  22 extern unsigned char apicid_to_node[256];
  23 #ifdef CONFIG_NUMA
  24 extern void __init init_cpu_to_node(void);
  25
  26 static inline void clear_node_cpumask(int cpu)
  27 {
  28         clear_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
  29 }
  30
  31 #else
  32 #define init_cpu_to_node() do {} while (0)
  33 #define clear_node_cpumask(cpu) do {} while (0)
  34 #endif
  35
  36 #define NUMA_NO_NODE 0xff
  37
  38 #endif