arch/metag/include/asm/mmzone.h

   1 #ifndef __ASM_METAG_MMZONE_H
   2 #define __ASM_METAG_MMZONE_H
   3
   4 #ifdef CONFIG_NEED_MULTIPLE_NODES
   5 #include <linux/numa.h>
   6
   7 extern struct pglist_data *node_data[];
   8 #define NODE_DATA(nid)          (node_data[nid])
   9
  10 static inline int pfn_to_nid(unsigned long pfn)
  11 {
  12         int nid;
  13
  14         for (nid = 0; nid < MAX_NUMNODES; nid++)
  15                 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
  16                         break;
  17
  18         return nid;
  19 }
  20
  21 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
  22 {
  23         return NODE_DATA(pfn_to_nid(pfn));
  24 }
  25
  26 /* arch/metag/mm/numa.c */
  27 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
  28 #else
  29 static inline void
  30 setup_bootmem_node(int nid, unsigned long start, unsigned long end)
  31 {
  32 }
  33 #endif /* CONFIG_NEED_MULTIPLE_NODES */
  34
  35 #ifdef CONFIG_NUMA
  36 /* SoC specific mem init */
  37 void __init soc_mem_setup(void);
  38 #else
  39 static inline void __init soc_mem_setup(void) {};
  40 #endif
  41
  42 #endif /* __ASM_METAG_MMZONE_H */