/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _5LEVEL_FIXUP_H #define _5LEVEL_FIXUP_H #define __ARCH_HAS_5LEVEL_HACK #define __PAGETABLE_P4D_FOLDED #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