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
);
35 #define pcibus_to_node(node) (-1)
36 #define pcibus_to_cpumask(bus) (cpu_online_map)
38 /* sched_domains SD_NODE_INIT for PPC64 machines */
39 #define SD_NODE_INIT (struct sched_domain) { \
40 .span = CPU_MASK_NONE, \
46 .imbalance_pct = 125, \
47 .cache_nice_tries = 1, \
48 .per_cpu_gain = 100, \
53 .flags = SD_LOAD_BALANCE \
55 | SD_BALANCE_NEWIDLE \
58 .last_balance = jiffies, \
59 .balance_interval = 1, \
60 .nr_balance_failed = 0, \
63 extern void __init
dump_numa_cpu_topology(void);
65 extern int sysfs_add_device_to_node(struct sys_device
*dev
, int nid
);
66 extern void sysfs_remove_device_from_node(struct sys_device
*dev
, int nid
);
70 static inline int of_node_to_nid(struct device_node
*device
)
75 static inline void dump_numa_cpu_topology(void) {}
77 static inline int sysfs_add_device_to_node(struct sys_device
*dev
, int nid
)
82 static inline void sysfs_remove_device_from_node(struct sys_device
*dev
,
88 #include <asm-generic/topology.h>
90 #endif /* CONFIG_NUMA */
92 #endif /* __KERNEL__ */
93 #endif /* _ASM_POWERPC_TOPOLOGY_H */