kernel/2.6.29.6-aldebaran-rt/arch/x86/include/asm/pgtable-2level_types.h

   1 #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
   2 #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
   3
   4 #ifndef __ASSEMBLY__
   5 #include <linux/types.h>
   6
   7 typedef unsigned long   pteval_t;
   8 typedef unsigned long   pmdval_t;
   9 typedef unsigned long   pudval_t;
  10 typedef unsigned long   pgdval_t;
  11 typedef unsigned long   pgprotval_t;
  12
  13 typedef union {
  14         pteval_t pte;
  15         pteval_t pte_low;
  16 } pte_t;
  17 #endif  /* !__ASSEMBLY__ */
  18
  19 #define SHARED_KERNEL_PMD       0
  20 #define PAGETABLE_LEVELS        2
  21
  22 /*
  23  * traditional i386 two-level paging structure:
  24  */
  25
  26 #define PGDIR_SHIFT     22
  27 #define PTRS_PER_PGD    1024
  28
  29
  30 /*
  31  * the i386 is two-level, so we don't really have any
  32  * PMD directory physically.
  33  */
  34
  35 #define PTRS_PER_PTE    1024
  36
  37 #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */