LXR linux/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
   9extern struct pglist_data *node_data[];
  10#define NODE_DATA(nid)          (node_data[nid])
  11
  12static 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
  23static 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 */
  29void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
  30#else
  31static inline void
  32setup_bootmem_node(int nid, unsigned long start, unsigned long end)
  33{
  34}
  35#endif /* CONFIG_NEED_MULTIPLE_NODES */
  36
  37/* Platform specific mem init */
  38void __init plat_mem_setup(void);
  39
  40/* arch/sh/kernel/setup.c */
  41void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
  42                               unsigned long end_pfn);
  43/* arch/sh/mm/init.c */
  44void __init allocate_pgdat(unsigned int nid);
  45
  46#endif /* __KERNEL__ */
  47#endif /* __ASM_SH_MMZONE_H */
  48