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
is_hugepage_only_range(struct mm_struct * mm,unsigned long addr,unsigned long len)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
set_huge_pte_at(struct mm_struct * mm,unsigned long addr,pte_t * ptep,pte_t pte)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
huge_ptep_get_and_clear(struct mm_struct * mm,unsigned long addr,pte_t * ptep)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
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)36 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
37 unsigned long addr, pte_t *ptep)
38 {
39 }
40
huge_pte_none(pte_t pte)41 static inline int huge_pte_none(pte_t pte)
42 {
43 return pte_none(pte);
44 }
45
huge_pte_wrprotect(pte_t pte)46 static inline pte_t huge_pte_wrprotect(pte_t pte)
47 {
48 return pte_wrprotect(pte);
49 }
50
huge_ptep_set_wrprotect(struct mm_struct * mm,unsigned long addr,pte_t * ptep)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
huge_ptep_set_access_flags(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep,pte_t pte,int dirty)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
huge_ptep_get(pte_t * ptep)64 static inline pte_t huge_ptep_get(pte_t *ptep)
65 {
66 return *ptep;
67 }
68
arch_clear_hugepage_flags(struct page * page)69 static inline void arch_clear_hugepage_flags(struct page *page)
70 {
71 }
72
73 #endif /* _ASM_IA64_HUGETLB_H */
74