1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ALPHA_HUGETLB_H 3 #define _ALPHA_HUGETLB_H 4 5 #include <asm/page.h> 6 7 pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); 8 #define arch_make_huge_pte arch_make_huge_pte 9 10 #define __HAVE_ARCH_HUGE_PTEP_GET 11 extern pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, 12 pte_t *ptep); 13 #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 14 extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 15 pte_t *ptep, pte_t pte, unsigned long sz); 16 #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 17 extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, 18 pte_t *ptep, unsigned long sz); 19 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 20 extern pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 21 unsigned long addr, pte_t *ptep); 22 #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 23 extern void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, 24 pte_t *ptep); 25 #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 26 extern int huge_ptep_set_access_flags(struct vm_area_struct *vma, 27 unsigned long addr, pte_t *ptep, 28 pte_t pte, int dirty); 29 #define __HAVE_ARCH_HUGE_PTE_CLEAR 30 extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr, 31 pte_t *ptep, unsigned long sz); 32 33 /* 34 * The generic version does not flush, which would leave the old translation 35 * live across a restrictive change to PTE bits <15:0>. 36 */ 37 #define huge_ptep_modify_prot_start huge_ptep_modify_prot_start 38 extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, 39 unsigned long addr, pte_t *ptep); 40 41 #include <asm-generic/hugetlb.h> 42 43 #endif /* _ALPHA_HUGETLB_H */ 44