1 #ifndef _ASM_MACH_TOPOLOGY_H
2 #define _ASM_MACH_TOPOLOGY_H
3 
4 #ifdef CONFIG_NUMA
5 
6 #define cpu_to_node(cpu)	(cpu_logical_map(cpu) >> 2)
7 #define cpumask_of_node(node)	(&__node_data[(node)]->cpumask)
8 
9 struct pci_bus;
10 extern int pcibus_to_node(struct pci_bus *);
11 
12 #define cpumask_of_pcibus(bus)	(cpu_online_mask)
13 
14 extern unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
15 
16 #define node_distance(from, to)	(__node_distances[(from)][(to)])
17 
18 #endif
19 
20 #include <asm-generic/topology.h>
21 
22 #endif /* _ASM_MACH_TOPOLOGY_H */
23