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kernel/linux-rt-4.4.41/arch/sh/include/asm/mmzone.h 1.06 KB
5113f6f70   김현기   kernel add
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  #ifndef __ASM_SH_MMZONE_H
  #define __ASM_SH_MMZONE_H
  
  #ifdef __KERNEL__
  
  #ifdef CONFIG_NEED_MULTIPLE_NODES
  #include <linux/numa.h>
  
  extern struct pglist_data *node_data[];
  #define NODE_DATA(nid)		(node_data[nid])
  
  static inline int pfn_to_nid(unsigned long pfn)
  {
  	int nid;
  
  	for (nid = 0; nid < MAX_NUMNODES; nid++)
  		if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
  			break;
  
  	return nid;
  }
  
  static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
  {
  	return NODE_DATA(pfn_to_nid(pfn));
  }
  
  /* arch/sh/mm/numa.c */
  void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
  #else
  static inline void
  setup_bootmem_node(int nid, unsigned long start, unsigned long end)
  {
  }
  #endif /* CONFIG_NEED_MULTIPLE_NODES */
  
  /* Platform specific mem init */
  void __init plat_mem_setup(void);
  
  /* arch/sh/kernel/setup.c */
  void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
  			       unsigned long end_pfn);
  /* arch/sh/mm/init.c */
  void __init allocate_pgdat(unsigned int nid);
  
  #endif /* __KERNEL__ */
  #endif /* __ASM_SH_MMZONE_H */