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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ALPHA_HUGETLB_H
#define _ALPHA_HUGETLB_H
#include <asm/page.h>
pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags);
#define arch_make_huge_pte arch_make_huge_pte
#define __HAVE_ARCH_HUGE_PTEP_GET
extern pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned long sz);
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz);
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
extern pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
extern void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
#define __HAVE_ARCH_HUGE_PTE_CLEAR
extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz);
/*
* The generic version does not flush, which would leave the old translation
* live across a restrictive change to PTE bits <15:0>.
*/
#define huge_ptep_modify_prot_start huge_ptep_modify_prot_start
extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep);
#include <asm-generic/hugetlb.h>
#endif /* _ALPHA_HUGETLB_H */
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