blob: 7b88d3931e3426f96bd88f93b7934bc4023ec79a [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
Hugh Dickins1bb36302005-10-29 18:16:22 -070013#define pmd_alloc(mm, pud, address) \
14 ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
15 NULL: pmd_offset(pud, address))
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
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)
Dave McCracken46a82b22006-09-25 23:31:48 -070024#define pud_val(pud) pgd_val(pud)
25#define pud_populate(mm, pud, pmd) pgd_populate(mm, pud, pmd)
26#define pud_page(pud) pgd_page(pud)
27#define pud_page_vaddr(pud) pgd_page_vaddr(pud)
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29#undef pud_free_tlb
30#define pud_free_tlb(tlb, x) do { } while (0)
31#define pud_free(x) do { } while (0)
32#define __pud_free_tlb(tlb, x) do { } while (0)
33
34#undef pud_addr_end
35#define pud_addr_end(addr, end) (end)
36
37#endif