pgtable-3level.h File Reference

#include <asm-generic/pgtable-nopud.h>

Go to the source code of this file.

Macros
#define	PGDIR_SHIFT   31
#define	PGDIR_SIZE   (1UL << PGDIR_SHIFT)
#define	PGDIR_MASK   (~(PGDIR_SIZE-1))
#define	PMD_SHIFT   21
#define	PMD_SIZE   (1UL << PMD_SHIFT)
#define	PMD_MASK   (~(PMD_SIZE-1))
#define	PTRS_PER_PTE   512
#define	PTRS_PER_PMD   1024
#define	PTRS_PER_PGD   1024
#define	USER_PTRS_PER_PGD   ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)
#define	FIRST_USER_ADDRESS   0
#define	pte_ERROR(e)
#define	pmd_ERROR(e)
#define	pgd_ERROR(e)
#define	pud_none(x)   (!(pud_val(x) & ~_PAGE_NEWPAGE))
#define	pud_bad(x)   ((pud_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define	pud_present(x)   (pud_val(x) & _PAGE_PRESENT)
#define	pud_populate(mm, pud, pmd)   set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
#define	set_pud(pudptr, pudval)   (*(pudptr) = (pudval))
#define	set_pmd(pmdptr, pmdval)   (*(pmdptr) = (pmdval))
#define	pud_page(pud)   phys_to_page(pud_val(pud) & PAGE_MASK)
#define	pud_page_vaddr(pud)   ((unsigned long) __va(pud_val(pud) & PAGE_MASK))
#define	pmd_offset(pud, address)
#define	PTE_FILE_MAX_BITS   32
#define	pte_to_pgoff(pte)   ((pte).pte_high)
#define	pgoff_to_pte(off)   ((pte_t) { _PAGE_FILE, (off) })

Functions
pmd_t *	pmd_alloc_one (struct mm_struct *mm, unsigned long address)

Macro Definition Documentation

#define FIRST_USER_ADDRESS   0

Definition at line 44 of file pgtable-3level.h.

#define pgd_ERROR

(

e

)

Value:

printk("%s:%d: bad pgd %p(%016lx).\n", __FILE__, __LINE__, &(e), \
           pgd_val(e))

Definition at line 52 of file pgtable-3level.h.

#define PGDIR_MASK   (~(PGDIR_SIZE-1))

Definition at line 20 of file pgtable-3level.h.

#define PGDIR_SHIFT   31

Definition at line 17 of file pgtable-3level.h.

#define PGDIR_SIZE   (1UL << PGDIR_SHIFT)

Definition at line 19 of file pgtable-3level.h.

#define pgoff_to_pte

(

off

)

((pte_t) { _PAGE_FILE, (off) })

Definition at line 131 of file pgtable-3level.h.

#define pmd_ERROR

(

e

)

Value:

printk("%s:%d: bad pmd %p(%016lx).\n", __FILE__, __LINE__, &(e), \
           pmd_val(e))

Definition at line 49 of file pgtable-3level.h.

#define PMD_MASK   (~(PMD_SIZE-1))

Definition at line 28 of file pgtable-3level.h.

#define pmd_offset	(		pud,
			address
	)

Value:

((pmd_t *) pud_page_vaddr(*(pud)) + \
            pmd_index(address))

Definition at line 93 of file pgtable-3level.h.

#define PMD_SHIFT   21

Definition at line 26 of file pgtable-3level.h.

#define PMD_SIZE   (1UL << PMD_SHIFT)

Definition at line 27 of file pgtable-3level.h.

#define pte_ERROR

(

e

)

Value:

printk("%s:%d: bad pte %p(%016lx).\n", __FILE__, __LINE__, &(e), \
           pte_val(e))

Definition at line 46 of file pgtable-3level.h.

#define PTE_FILE_MAX_BITS   32

Definition at line 119 of file pgtable-3level.h.

#define pte_to_pgoff

(

pte

)

((pte).pte_high)

Definition at line 129 of file pgtable-3level.h.

#define PTRS_PER_PGD   1024

Definition at line 40 of file pgtable-3level.h.

#define PTRS_PER_PMD   1024

Definition at line 39 of file pgtable-3level.h.

#define PTRS_PER_PTE   512

Definition at line 34 of file pgtable-3level.h.

#define pud_bad

(

x

)

((pud_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)

Definition at line 57 of file pgtable-3level.h.

#define pud_none

(

x

)

(!(pud_val(x) & ~_PAGE_NEWPAGE))

Definition at line 56 of file pgtable-3level.h.

#define pud_page

(

pud

)

phys_to_page(pud_val(pud) & PAGE_MASK)

Definition at line 89 of file pgtable-3level.h.

#define pud_page_vaddr

(

pud

)

((unsigned long) __va(pud_val(pud) & PAGE_MASK))

Definition at line 90 of file pgtable-3level.h.

#define pud_populate	(		mm,
			pud,
			pmd
	)		set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))

Definition at line 59 of file pgtable-3level.h.

#define pud_present

(

x

)

(pud_val(x) & _PAGE_PRESENT)

Definition at line 58 of file pgtable-3level.h.

#define set_pmd	(		pmdptr,
			pmdval
	)		(*(pmdptr) = (pmdval))

Definition at line 78 of file pgtable-3level.h.

#define set_pud	(		pudptr,
			pudval
	)		(*(pudptr) = (pudval))

Definition at line 65 of file pgtable-3level.h.

#define USER_PTRS_PER_PGD   ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)

Definition at line 43 of file pgtable-3level.h.

Function Documentation

pmd_t* pmd_alloc_one	(	struct mm_struct *	mm,
		unsigned long	address
	)