include/asm-i386/pgtable-3level-defs.h

   1 #ifndef _I386_PGTABLE_3LEVEL_DEFS_H
   2 #define _I386_PGTABLE_3LEVEL_DEFS_H
   3
   4 /*
   5  * PGDIR_SHIFT determines what a top-level page table entry can map
   6  */
   7 #define PGDIR_SHIFT     30
   8 #define PTRS_PER_PGD    4
   9
  10 /*
  11  * PMD_SHIFT determines the size of the area a middle-level
  12  * page table can map
  13  */
  14 #define PMD_SHIFT       21
  15 #define PTRS_PER_PMD    512
  16
  17 /*
  18  * entries per page directory level
  19  */
  20 #define PTRS_PER_PTE    512
  21
  22 #endif /* _I386_PGTABLE_3LEVEL_DEFS_H */