[deliverable/linux.git] / include / asm-i386 / pgtable-3level-defs.h

#ifndef _I386_PGTABLE_3LEVEL_DEFS_H
#define _I386_PGTABLE_3LEVEL_DEFS_H

/*
 * PGDIR_SHIFT determines what a top-level page table entry can map
 */
#define PGDIR_SHIFT	30
#define PTRS_PER_PGD	4

/*
 * PMD_SHIFT determines the size of the area a middle-level
 * page table can map
 */
#define PMD_SHIFT	21
#define PTRS_PER_PMD	512

/*
 * entries per page directory level
 */
#define PTRS_PER_PTE	512

#endif /* _I386_PGTABLE_3LEVEL_DEFS_H */
Commit	Line	Data
1da177e4 LT	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 */