[deliverable/linux.git] / include / asm-generic / 4level-fixup.h

#ifndef _4LEVEL_FIXUP_H
#define _4LEVEL_FIXUP_H

#define __ARCH_HAS_4LEVEL_HACK
#define __PAGETABLE_PUD_FOLDED

#define PUD_SIZE			PGDIR_SIZE
#define PUD_MASK			PGDIR_MASK
#define PTRS_PER_PUD			1

#define pud_t				pgd_t

#define pmd_alloc(mm, pud, address) \
	((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
 		NULL: pmd_offset(pud, address))

#define pud_alloc(mm, pgd, address)	(pgd)
#define pud_offset(pgd, start)		(pgd)
#define pud_none(pud)			0
#define pud_bad(pud)			0
#define pud_present(pud)		1
#define pud_ERROR(pud)			do { } while (0)
#define pud_clear(pud)			pgd_clear(pud)

#undef pud_free_tlb
#define pud_free_tlb(tlb, x)            do { } while (0)
#define pud_free(x)			do { } while (0)
#define __pud_free_tlb(tlb, x)		do { } while (0)

#undef  pud_addr_end
#define pud_addr_end(addr, end)		(end)

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _4LEVEL_FIXUP_H
	2	#define _4LEVEL_FIXUP_H
	3
	4	#define __ARCH_HAS_4LEVEL_HACK
	5	#define __PAGETABLE_PUD_FOLDED
	6
	7	#define PUD_SIZE PGDIR_SIZE
	8	#define PUD_MASK PGDIR_MASK
	9	#define PTRS_PER_PUD 1
	10
	11	#define pud_t pgd_t
	12
1bb3630e HD	13	#define pmd_alloc(mm, pud, address) \
	14	((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
	15	NULL: pmd_offset(pud, address))
1da177e4 LT	16
	17	#define pud_alloc(mm, pgd, address) (pgd)
	18	#define pud_offset(pgd, start) (pgd)
	19	#define pud_none(pud) 0
	20	#define pud_bad(pud) 0
	21	#define pud_present(pud) 1
	22	#define pud_ERROR(pud) do { } while (0)
	23	#define pud_clear(pud) pgd_clear(pud)
	24
	25	#undef pud_free_tlb
	26	#define pud_free_tlb(tlb, x) do { } while (0)
	27	#define pud_free(x) do { } while (0)
	28	#define __pud_free_tlb(tlb, x) do { } while (0)
	29
	30	#undef pud_addr_end
	31	#define pud_addr_end(addr, end) (end)
	32
	33	#endif