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include
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asm
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numa_64.h

numa_64.h 1.5 KB
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  1. #ifndef _ASM_X86_NUMA_64_H
    2. 

  2. #define _ASM_X86_NUMA_64_H
    3. 

  3. 

  4. #include <linux/nodemask.h>
    5. 

  5. #include <asm/apicdef.h>
    6. 

  6. 

  7. struct bootnode {
    8. 

  8. 	u64 start;
    9. 

  9. 	u64 end;
    10. 

  10. };
    11. 

  11. 

  12. extern int compute_hash_shift(struct bootnode *nodes, int numblks,
    13. 

  13. 			      int *nodeids);
    14. 

  14. 

  15. #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
    16. 

  16. 

  17. extern void numa_init_array(void);
    18. 

  18. extern int numa_off;
    19. 

  19. 

  20. extern s16 apicid_to_node[MAX_LOCAL_APIC];
    21. 

  21. 

  22. extern unsigned long numa_free_all_bootmem(void);
    23. 

  23. extern void setup_node_bootmem(int nodeid, unsigned long start,
    24. 

  24. 			       unsigned long end);
    25. 

  25. 

  26. #ifdef CONFIG_NUMA
    27. 

  27. /*
    28. 

  28.  * Too small node sizes may confuse the VM badly. Usually they
    29. 

  29.  * result from BIOS bugs. So dont recognize nodes as standalone
    30. 

  30.  * NUMA entities that have less than this amount of RAM listed:
    31. 

  31.  */
    32. 

  32. #define NODE_MIN_SIZE (4*1024*1024)
    33. 

  33. 

  34. extern void __init init_cpu_to_node(void);
    35. 

  35. extern void __cpuinit numa_set_node(int cpu, int node);
    36. 

  36. extern void __cpuinit numa_clear_node(int cpu);
    37. 

  37. extern void __cpuinit numa_add_cpu(int cpu);
    38. 

  38. extern void __cpuinit numa_remove_cpu(int cpu);
    39. 

  39. 

  40. #ifdef CONFIG_NUMA_EMU
    41. 

  41. #define FAKE_NODE_MIN_SIZE	((u64)64 << 20)
    42. 

  42. #define FAKE_NODE_MIN_HASH_MASK	(~(FAKE_NODE_MIN_SIZE - 1UL))
    43. 

  43. #endif /* CONFIG_NUMA_EMU */
    44. 

  44. #else
    45. 

  45. static inline void init_cpu_to_node(void)		{ }
    46. 

  46. static inline void numa_set_node(int cpu, int node)	{ }
    47. 

  47. static inline void numa_clear_node(int cpu)		{ }
    48. 

  48. static inline void numa_add_cpu(int cpu, int node)	{ }
    49. 

  49. static inline void numa_remove_cpu(int cpu)		{ }
    50. 

  50. #endif
    51. 

  51. 

  52. #endif /* _ASM_X86_NUMA_64_H */
    53.