1 #ifndef __ARCH_ARM_NUMA_H
2 #define __ARCH_ARM_NUMA_H
3 
4 #include <xen/mm.h>
5 
6 typedef u8 nodeid_t;
7 
8 /* Fake one node for now. See also node_online_map. */
9 #define cpu_to_node(cpu) 0
10 #define node_to_cpumask(node)   (cpu_online_map)
11 
phys_to_nid(paddr_t addr)12 static inline __attribute__((pure)) nodeid_t phys_to_nid(paddr_t addr)
13 {
14     return 0;
15 }
16 
17 /*
18  * TODO: make first_valid_mfn static when NUMA is supported on Arm, this
19  * is required because the dummy helpers are using it.
20  */
21 extern mfn_t first_valid_mfn;
22 
23 /* XXX: implement NUMA support */
24 #define node_spanned_pages(nid) (max_page - mfn_x(first_valid_mfn))
25 #define node_start_pfn(nid) (mfn_x(first_valid_mfn))
26 #define __node_distance(a, b) (20)
27 
28 #endif /* __ARCH_ARM_NUMA_H */
29 /*
30  * Local variables:
31  * mode: C
32  * c-file-style: "BSD"
33  * c-basic-offset: 4
34  * indent-tabs-mode: nil
35  * End:
36  */
37