/arch/x86/include/asm/pgtable-2level_types.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35 · C++ Header · 37 lines · 20 code · 10 blank · 7 comment · 0 complexity · caac219ff969f4a43664bdd6c2db92f9 MD5 · raw file 

    

  1. #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
    2. 

  2. #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
    3. 

  3. 

  4. #ifndef __ASSEMBLY__
    5. 

  5. #include <linux/types.h>
    6. 

  6. 

  7. typedef unsigned long	pteval_t;
    8. 

  8. typedef unsigned long	pmdval_t;
    9. 

  9. typedef unsigned long	pudval_t;
    10. 

  10. typedef unsigned long	pgdval_t;
    11. 

  11. typedef unsigned long	pgprotval_t;
    12. 

  12. 

  13. typedef union {
    14. 

  14. 	pteval_t pte;
    15. 

  15. 	pteval_t pte_low;
    16. 

  16. } pte_t;
    17. 

  17. #endif	/* !__ASSEMBLY__ */
    18. 

  18. 

  19. #define SHARED_KERNEL_PMD	0
    20. 

  20. #define PAGETABLE_LEVELS	2
    21. 

  21. 

  22. /*
    23. 

  23.  * traditional i386 two-level paging structure:
    24. 

  24.  */
    25. 

  25. 

  26. #define PGDIR_SHIFT	22
    27. 

  27. #define PTRS_PER_PGD	1024
    28. 

  28. 

  29. 

  30. /*
    31. 

  31.  * the i386 is two-level, so we don't really have any
    32. 

  32.  * PMD directory physically.
    33. 

  33.  */
    34. 

  34. 

  35. #define PTRS_PER_PTE	1024
    36. 

  36. 

  37. #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */
    38.