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kernel/linux-rt-4.4.41/arch/h8300/include/asm/pgtable.h 1.63 KB
5113f6f70   김현기   kernel add
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  #ifndef _H8300_PGTABLE_H
  #define _H8300_PGTABLE_H
  #include <asm-generic/pgtable-nopud.h>
  #include <asm-generic/pgtable.h>
  #define pgtable_cache_init()   do { } while (0)
  extern void paging_init(void);
  #define PAGE_NONE		__pgprot(0)    /* these mean nothing to NO_MM */
  #define PAGE_SHARED		__pgprot(0)    /* these mean nothing to NO_MM */
  #define PAGE_COPY		__pgprot(0)    /* these mean nothing to NO_MM */
  #define PAGE_READONLY	__pgprot(0)    /* these mean nothing to NO_MM */
  #define PAGE_KERNEL		__pgprot(0)    /* these mean nothing to NO_MM */
  #define __swp_type(x)		(0)
  #define __swp_offset(x)		(0)
  #define __swp_entry(typ, off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
  #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
  #define __swp_entry_to_pte(x)	((pte_t) { (x).val })
  #define kern_addr_valid(addr)	(1)
  #define pgprot_writecombine(prot)  (prot)
  #define pgprot_noncached pgprot_writecombine
  
  static inline int pte_file(pte_t pte) { return 0; }
  #define swapper_pg_dir ((pgd_t *) 0)
  /*
   * ZERO_PAGE is a global shared page that is always zero: used
   * for zero-mapped memory areas etc..
   */
  #define ZERO_PAGE(vaddr)	(virt_to_page(0))
  
  /*
   * These would be in other places but having them here reduces the diffs.
   */
  extern unsigned int kobjsize(const void *objp);
  extern int is_in_rom(unsigned long);
  
  /*
   * No page table caches to initialise
   */
  #define pgtable_cache_init()   do { } while (0)
  
  /*
   * All 32bit addresses are effectively valid for vmalloc...
   * Sort of meaningless for non-VM targets.
   */
  #define	VMALLOC_START	0
  #define	VMALLOC_END	0xffffffff
  
  #define arch_enter_lazy_cpu_mode()    do {} while (0)
  
  #endif /* _H8300_PGTABLE_H */