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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _5LEVEL_FIXUP_H
- #define _5LEVEL_FIXUP_H
- #define __ARCH_HAS_5LEVEL_HACK
- #define __PAGETABLE_P4D_FOLDED 1
- #define P4D_SHIFT PGDIR_SHIFT
- #define P4D_SIZE PGDIR_SIZE
- #define P4D_MASK PGDIR_MASK
- #define MAX_PTRS_PER_P4D 1
- #define PTRS_PER_P4D 1
- #define p4d_t pgd_t
- #define pud_alloc(mm, p4d, address) \
- ((unlikely(pgd_none(*(p4d))) && __pud_alloc(mm, p4d, address)) ? \
- NULL : pud_offset(p4d, address))
- #define p4d_alloc(mm, pgd, address) (pgd)
- #define p4d_offset(pgd, start) (pgd)
- #define p4d_none(p4d) 0
- #define p4d_bad(p4d) 0
- #define p4d_present(p4d) 1
- #define p4d_ERROR(p4d) do { } while (0)
- #define p4d_clear(p4d) pgd_clear(p4d)
- #define p4d_val(p4d) pgd_val(p4d)
- #define p4d_populate(mm, p4d, pud) pgd_populate(mm, p4d, pud)
- #define p4d_page(p4d) pgd_page(p4d)
- #define p4d_page_vaddr(p4d) pgd_page_vaddr(p4d)
- #define __p4d(x) __pgd(x)
- #define set_p4d(p4dp, p4d) set_pgd(p4dp, p4d)
- #undef p4d_free_tlb
- #define p4d_free_tlb(tlb, x, addr) do { } while (0)
- #define p4d_free(mm, x) do { } while (0)
- #define __p4d_free_tlb(tlb, x, addr) do { } while (0)
- #undef p4d_addr_end
- #define p4d_addr_end(addr, end) (end)
- #endif
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