pat.h 645 B

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  1. #ifndef _ASM_X86_PAT_H
  2. #define _ASM_X86_PAT_H
  3. #include <linux/types.h>
  4. #include <asm/pgtable_types.h>
  5. #ifdef CONFIG_X86_PAT
  6. extern int pat_enabled;
  7. #else
  8. static const int pat_enabled;
  9. #endif
  10. extern void pat_init(void);
  11. extern int reserve_memtype(u64 start, u64 end,
  12. unsigned long req_type, unsigned long *ret_type);
  13. extern int free_memtype(u64 start, u64 end);
  14. extern int kernel_map_sync_memtype(u64 base, unsigned long size,
  15. unsigned long flag);
  16. int io_reserve_memtype(resource_size_t start, resource_size_t end,
  17. unsigned long *type);
  18. void io_free_memtype(resource_size_t start, resource_size_t end);
  19. #endif /* _ASM_X86_PAT_H */