arch/sh/include/asm/mmzone.h

   1 #ifndef __ASM_SH_MMZONE_H
   2 #define __ASM_SH_MMZONE_H
   3
   4 #ifdef __KERNEL__
   5
   6 #ifdef CONFIG_NEED_MULTIPLE_NODES
   7 #include <linux/numa.h>
   8
   9 extern struct pglist_data *node_data[];
  10 #define NODE_DATA(nid)          (node_data[nid])
  11
  12 static inline int pfn_to_nid(unsigned long pfn)
  13 {
  14         int nid;
  15
  16         for (nid = 0; nid < MAX_NUMNODES; nid++)
  17                 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
  18                         break;
  19
  20         return nid;
  21 }
  22
  23 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
  24 {
  25         return NODE_DATA(pfn_to_nid(pfn));
  26 }
  27
  28 /* arch/sh/mm/numa.c */
  29 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
  30 #else
  31 static inline void
  32 setup_bootmem_node(int nid, unsigned long start, unsigned long end)
  33 {
  34 }
  35 #endif /* CONFIG_NEED_MULTIPLE_NODES */
  36
  37 /* Platform specific mem init */
  38 void __init plat_mem_setup(void);
  39
  40 /* arch/sh/kernel/setup.c */
  41 void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
  42                                unsigned long end_pfn);
  43 /* arch/sh/mm/init.c */
  44 void __init allocate_pgdat(unsigned int nid);
  45
  46 #endif /* __KERNEL__ */
  47 #endif /* __ASM_SH_MMZONE_H */