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Linux/arch/sparc/include/asm/topology_64.h

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  1 #ifndef _ASM_SPARC64_TOPOLOGY_H
  2 #define _ASM_SPARC64_TOPOLOGY_H
  3 
  4 #ifdef CONFIG_NUMA
  5 
  6 #include <asm/mmzone.h>
  7 
  8 static inline int cpu_to_node(int cpu)
  9 {
 10         return numa_cpu_lookup_table[cpu];
 11 }
 12 
 13 #define parent_node(node)       (node)
 14 
 15 #define cpumask_of_node(node) ((node) == -1 ?                           \
 16                                cpu_all_mask :                           \
 17                                &numa_cpumask_lookup_table[node])
 18 
 19 struct pci_bus;
 20 #ifdef CONFIG_PCI
 21 int pcibus_to_node(struct pci_bus *pbus);
 22 #else
 23 static inline int pcibus_to_node(struct pci_bus *pbus)
 24 {
 25         return -1;
 26 }
 27 #endif
 28 
 29 #define cpumask_of_pcibus(bus)  \
 30         (pcibus_to_node(bus) == -1 ? \
 31          cpu_all_mask : \
 32          cpumask_of_node(pcibus_to_node(bus)))
 33 
 34 int __node_distance(int, int);
 35 #define node_distance(a, b) __node_distance(a, b)
 36 
 37 #else /* CONFIG_NUMA */
 38 
 39 #include <asm-generic/topology.h>
 40 
 41 #endif /* !(CONFIG_NUMA) */
 42 
 43 #ifdef CONFIG_SMP
 44 #define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
 45 #define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
 46 #define topology_core_cpumask(cpu)              (&cpu_core_sib_map[cpu])
 47 #define topology_sibling_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
 48 #endif /* CONFIG_SMP */
 49 
 50 extern cpumask_t cpu_core_map[NR_CPUS];
 51 extern cpumask_t cpu_core_sib_map[NR_CPUS];
 52 static inline const struct cpumask *cpu_coregroup_mask(int cpu)
 53 {
 54         return &cpu_core_map[cpu];
 55 }
 56 
 57 #endif /* _ASM_SPARC64_TOPOLOGY_H */
 58 

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