[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / pgtable-2level_types.h

#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H

#ifndef __ASSEMBLY__
#include <linux/types.h>

typedef unsigned long	pteval_t;
typedef unsigned long	pmdval_t;
typedef unsigned long	pudval_t;
typedef unsigned long	pgdval_t;
typedef unsigned long	pgprotval_t;

typedef union {
	pteval_t pte;
	pteval_t pte_low;
} pte_t;
#endif	/* !__ASSEMBLY__ */

#define SHARED_KERNEL_PMD	0
#define PAGETABLE_LEVELS	2

/*
 * traditional i386 two-level paging structure:
 */

#define PGDIR_SHIFT	22
#define PTRS_PER_PGD	1024


/*
 * the i386 is two-level, so we don't really have any
 * PMD directory physically.
 */

#define PTRS_PER_PTE	1024

#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
1965aae3 PA	2	#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
1da177e4	3
54321d94 JF	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
5311ab62	19	#define SHARED_KERNEL_PMD 0
9b3651cb	20	#define PAGETABLE_LEVELS 2
5311ab62	21
1da177e4 LT	22	/*
	23	* traditional i386 two-level paging structure:
	24	*/
	25
	26	#define PGDIR_SHIFT 22
	27	#define PTRS_PER_PGD 1024
	28
9b3651cb	29
1da177e4 LT	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
1965aae3	37	#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */