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
13#define pmd_alloc(mm, pud, address) \
14	((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
15 		NULL: pmd_offset(pud, address))
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
34