text: #ifndef _ASM_SPARC64_TOPOLOGY_H
  #define _ASM_SPARC64_TOPOLOGY_H
  
  #ifdef CONFIG_NUMA
  
  #include <asm/mmzone.h>
  
  static inline int cpu_to_node(int cpu)
  {
  	return numa_cpu_lookup_table[cpu];
  }
  
  #define parent_node(node)	(node)
  
  #define cpumask_of_node(node) ((node) == -1 ?				\
  			       cpu_all_mask :				\
  			       &numa_cpumask_lookup_table[node])
  
  struct pci_bus;
  #ifdef CONFIG_PCI
  int pcibus_to_node(struct pci_bus *pbus);
  #else
  static inline int pcibus_to_node(struct pci_bus *pbus)
  {
  	return -1;
  }
  #endif
  
  #define cpumask_of_pcibus(bus)	\
  	(pcibus_to_node(bus) == -1 ? \
  	 cpu_all_mask : \
  	 cpumask_of_node(pcibus_to_node(bus)))
  
  #else /* CONFIG_NUMA */
  
  #include <asm-generic/topology.h>
  
  #endif /* !(CONFIG_NUMA) */
  
  #ifdef CONFIG_SMP
  #define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
  #define topology_core_id(cpu)			(cpu_data(cpu).core_id)
  #define topology_core_cpumask(cpu)		(&cpu_core_sib_map[cpu])
  #define topology_thread_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
  #endif /* CONFIG_SMP */
  
  extern cpumask_t cpu_core_map[NR_CPUS];
  extern cpumask_t cpu_core_sib_map[NR_CPUS];
  static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  {
          return &cpu_core_map[cpu];
  }
  
  #endif /* _ASM_SPARC64_TOPOLOGY_H */
  