include/asm-x86/numa_64.h

   1 #ifndef _ASM_X8664_NUMA_H
   2 #define _ASM_X8664_NUMA_H 1
   3
   4 #include <linux/nodemask.h>
   5 #include <asm/apicdef.h>
   6
   7 struct bootnode {
   8         u64 start,end;
   9 };
  10
  11 extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
  12
  13 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
  14
  15 extern void numa_add_cpu(int cpu);
  16 extern void numa_init_array(void);
  17 extern int numa_off;
  18
  19 extern void numa_set_node(int cpu, int node);
  20 extern void srat_reserve_add_area(int nodeid);
  21 extern int hotadd_percent;
  22
  23 extern unsigned char apicid_to_node[MAX_LOCAL_APIC];
  24
  25 extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
  26 extern unsigned long numa_free_all_bootmem(void);
  27 extern void setup_node_bootmem(int nodeid, unsigned long start,
  28                                unsigned long end);
  29
  30 #ifdef CONFIG_NUMA
  31 extern void __init init_cpu_to_node(void);
  32
  33 static inline void clear_node_cpumask(int cpu)
  34 {
  35         clear_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
  36 }
  37
  38 #else
  39 #define init_cpu_to_node() do {} while (0)
  40 #define clear_node_cpumask(cpu) do {} while (0)
  41 #endif
  42
  43 #define NUMA_NO_NODE 0xff
  44
  45 #endif