1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_IA64_HUGETLB_H 3 #define _ASM_IA64_HUGETLB_H 4 5 #include <asm/page.h> 6 #include <asm-generic/hugetlb.h> 7 8 9 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, 10 unsigned long end, unsigned long floor, 11 unsigned long ceiling); 12 13 int prepare_hugepage_range(struct file *file, 14 unsigned long addr, unsigned long len); 15 16 static inline int is_hugepage_only_range(struct mm_struct *mm, 17 unsigned long addr, 18 unsigned long len) 19 { 20 return (REGION_NUMBER(addr) == RGN_HPAGE || 21 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE); 22 } 23 24 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 25 pte_t *ptep, pte_t pte) 26 { 27 set_pte_at(mm, addr, ptep, pte); 28 } 29 30 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 31 unsigned long addr, pte_t *ptep) 32 { 33 return ptep_get_and_clear(mm, addr, ptep); 34 } 35 36 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, 37 unsigned long addr, pte_t *ptep) 38 { 39 } 40 41 static inline int huge_pte_none(pte_t pte) 42 { 43 return pte_none(pte); 44 } 45 46 static inline pte_t huge_pte_wrprotect(pte_t pte) 47 { 48 return pte_wrprotect(pte); 49 } 50 51 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, 52 unsigned long addr, pte_t *ptep) 53 { 54 ptep_set_wrprotect(mm, addr, ptep); 55 } 56 57 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, 58 unsigned long addr, pte_t *ptep, 59 pte_t pte, int dirty) 60 { 61 return ptep_set_access_flags(vma, addr, ptep, pte, dirty); 62 } 63 64 static inline pte_t huge_ptep_get(pte_t *ptep) 65 { 66 return *ptep; 67 } 68 69 static inline void arch_clear_hugepage_flags(struct page *page) 70 { 71 } 72 73 #endif /* _ASM_IA64_HUGETLB_H */ 74