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 #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)
28
29 #undef pud_free_tlb
30 #define pud_free_tlb(tlb, x, addr) do { } while (0)
31 #define pud_free(mm, x) do { } while (0)
32 #define __pud_free_tlb(tlb, x, addr) do { } while (0)
33
34 #undef pud_addr_end
35 #define pud_addr_end(addr, end) (end)
36
37 #endif
38
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