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
