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Linux kernel mirror (for testing)
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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
9void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
10 unsigned long end, unsigned long floor,
11 unsigned long ceiling);
12
13int prepare_hugepage_range(struct file *file,
14 unsigned long addr, unsigned long len);
15
16static 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
24static 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
30static 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
36static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
37 unsigned long addr, pte_t *ptep)
38{
39}
40
41static inline int huge_pte_none(pte_t pte)
42{
43 return pte_none(pte);
44}
45
46static inline pte_t huge_pte_wrprotect(pte_t pte)
47{
48 return pte_wrprotect(pte);
49}
50
51static 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
57static 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
64static inline pte_t huge_ptep_get(pte_t *ptep)
65{
66 return *ptep;
67}
68
69static inline void arch_clear_hugepage_flags(struct page *page)
70{
71}
72
73#endif /* _ASM_IA64_HUGETLB_H */