1 #ifndef _ASM_POWERPC_TOPOLOGY_H
2 #define _ASM_POWERPC_TOPOLOGY_H
5 #include <linux/config.h>
12 #include <asm/mmzone.h>
14 static inline int cpu_to_node(int cpu)
16 return numa_cpu_lookup_table[cpu];
19 #define parent_node(node) (node)
21 static inline cpumask_t node_to_cpumask(int node)
23 return numa_cpumask_lookup_table[node];
26 static inline int node_to_first_cpu(int node)
29 tmp = node_to_cpumask(node);
30 return first_cpu(tmp);
33 int of_node_to_nid(struct device_node *device);
36 #define pcibus_to_node(bus) (of_node_to_nid(bus->sysdata))
37 #define pcibus_to_cpumask(bus) (node_to_cpumask(of_node_to_nid(bus->sysdata)))
39 #define pcibus_to_node(node) (-1)
40 #define pcibus_to_cpumask(bus) (cpu_online_map)
43 /* sched_domains SD_NODE_INIT for PPC64 machines */
44 #define SD_NODE_INIT (struct sched_domain) { \
45 .span = CPU_MASK_NONE, \
51 .imbalance_pct = 125, \
52 .cache_nice_tries = 1, \
53 .per_cpu_gain = 100, \
58 .flags = SD_LOAD_BALANCE \
60 | SD_BALANCE_NEWIDLE \
63 .last_balance = jiffies, \
64 .balance_interval = 1, \
65 .nr_balance_failed = 0, \
68 extern void __init dump_numa_cpu_topology(void);
70 extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
71 extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
75 static inline int of_node_to_nid(struct device_node *device)
80 static inline void dump_numa_cpu_topology(void) {}
82 static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
87 static inline void sysfs_remove_device_from_node(struct sys_device *dev,
93 #include <asm-generic/topology.h>
95 #endif /* CONFIG_NUMA */
97 #endif /* __KERNEL__ */
98 #endif /* _ASM_POWERPC_TOPOLOGY_H */