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C/C++ Source or Header  |  2006-08-11  |  1.1 KB  |  41 lines

  1. #ifndef _ASM_MACH_TOPOLOGY_H
  2. #define _ASM_MACH_TOPOLOGY_H    1
  3.  
  4. #include <asm/sn/arch.h>
  5. #include <asm/sn/hub.h>
  6. #include <asm/mmzone.h>
  7.  
  8. #define cpu_to_node(cpu)    (cpu_data[(cpu)].p_nodeid)
  9. #define parent_node(node)    (node)
  10. #define node_to_cpumask(node)    (hub_data(node)->h_cpus)
  11. #define node_to_first_cpu(node)    (first_cpu(node_to_cpumask(node)))
  12. struct pci_bus;
  13. extern int pcibus_to_node(struct pci_bus *);
  14.  
  15. #define pcibus_to_cpumask(bus)    (cpu_online_map)
  16.  
  17. extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
  18.  
  19. #define node_distance(from, to)    (__node_distances[(from)][(to)])
  20.  
  21. /* sched_domains SD_NODE_INIT for SGI IP27 machines */
  22. #define SD_NODE_INIT (struct sched_domain) {        \
  23.     .span            = CPU_MASK_NONE,    \
  24.     .parent            = NULL,            \
  25.     .groups            = NULL,            \
  26.     .min_interval        = 8,            \
  27.     .max_interval        = 32,            \
  28.     .busy_factor        = 32,            \
  29.     .imbalance_pct        = 125,            \
  30.     .cache_nice_tries    = 1,            \
  31.     .per_cpu_gain        = 100,            \
  32.     .flags            = SD_LOAD_BALANCE    \
  33.                 | SD_BALANCE_EXEC    \
  34.                 | SD_WAKE_BALANCE,    \
  35.     .last_balance        = jiffies,        \
  36.     .balance_interval    = 1,            \
  37.     .nr_balance_failed    = 0,            \
  38. }
  39.  
  40. #endif /* _ASM_MACH_TOPOLOGY_H */
  41.