| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_GENERIC_HUGETLB_H |
| #define _ASM_GENERIC_HUGETLB_H |
| |
| static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot) |
| { |
| return mk_pte(page, pgprot); |
| } |
| |
| static inline unsigned long huge_pte_write(pte_t pte) |
| { |
| return pte_write(pte); |
| } |
| |
| static inline unsigned long huge_pte_dirty(pte_t pte) |
| { |
| return pte_dirty(pte); |
| } |
| |
| static inline pte_t huge_pte_mkwrite(pte_t pte) |
| { |
| return pte_mkwrite(pte); |
| } |
| |
| static inline pte_t huge_pte_mkdirty(pte_t pte) |
| { |
| return pte_mkdirty(pte); |
| } |
| |
| static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot) |
| { |
| return pte_modify(pte, newprot); |
| } |
| |
| #ifndef __HAVE_ARCH_HUGE_PTE_CLEAR |
| static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep, unsigned long sz) |
| { |
| pte_clear(mm, addr, ptep); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE |
| static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, |
| unsigned long addr, unsigned long end, |
| unsigned long floor, unsigned long ceiling) |
| { |
| free_pgd_range(tlb, addr, end, floor, ceiling); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT |
| static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep, pte_t pte) |
| { |
| set_pte_at(mm, addr, ptep, pte); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR |
| static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, |
| unsigned long addr, pte_t *ptep) |
| { |
| return ptep_get_and_clear(mm, addr, ptep); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
| static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
| unsigned long addr, pte_t *ptep) |
| { |
| ptep_clear_flush(vma, addr, ptep); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTE_NONE |
| static inline int huge_pte_none(pte_t pte) |
| { |
| return pte_none(pte); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT |
| static inline pte_t huge_pte_wrprotect(pte_t pte) |
| { |
| return pte_wrprotect(pte); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE |
| static inline int prepare_hugepage_range(struct file *file, |
| unsigned long addr, unsigned long len) |
| { |
| struct hstate *h = hstate_file(file); |
| |
| if (len & ~huge_page_mask(h)) |
| return -EINVAL; |
| if (addr & ~huge_page_mask(h)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT |
| static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, |
| unsigned long addr, pte_t *ptep) |
| { |
| ptep_set_wrprotect(mm, addr, ptep); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS |
| static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
| unsigned long addr, pte_t *ptep, |
| pte_t pte, int dirty) |
| { |
| return ptep_set_access_flags(vma, addr, ptep, pte, dirty); |
| } |
| #endif |
| |
| #ifndef __HAVE_ARCH_HUGE_PTEP_GET |
| static inline pte_t huge_ptep_get(pte_t *ptep) |
| { |
| return *ptep; |
| } |
| #endif |
| |
| #endif /* _ASM_GENERIC_HUGETLB_H */ |