1 #ifndef _ASM_SH_HUGETLB_H
2 #define _ASM_SH_HUGETLB_H
3
4 #include <asm/page.h>
5
6
is_hugepage_only_range(struct mm_struct * mm,unsigned long addr,unsigned long len)7 static inline int is_hugepage_only_range(struct mm_struct *mm,
8 unsigned long addr,
9 unsigned long len) {
10 return 0;
11 }
12
13 /*
14 * If the arch doesn't supply something else, assume that hugepage
15 * size aligned regions are ok without further preparation.
16 */
prepare_hugepage_range(struct file * file,unsigned long addr,unsigned long len)17 static inline int prepare_hugepage_range(struct file *file,
18 unsigned long addr, unsigned long len)
19 {
20 if (len & ~HPAGE_MASK)
21 return -EINVAL;
22 if (addr & ~HPAGE_MASK)
23 return -EINVAL;
24 return 0;
25 }
26
hugetlb_prefault_arch_hook(struct mm_struct * mm)27 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
28 }
29
hugetlb_free_pgd_range(struct mmu_gather * tlb,unsigned long addr,unsigned long end,unsigned long floor,unsigned long ceiling)30 static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
31 unsigned long addr, unsigned long end,
32 unsigned long floor,
33 unsigned long ceiling)
34 {
35 free_pgd_range(tlb, addr, end, floor, ceiling);
36 }
37
set_huge_pte_at(struct mm_struct * mm,unsigned long addr,pte_t * ptep,pte_t pte)38 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
39 pte_t *ptep, pte_t pte)
40 {
41 set_pte_at(mm, addr, ptep, pte);
42 }
43
huge_ptep_get_and_clear(struct mm_struct * mm,unsigned long addr,pte_t * ptep)44 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
45 unsigned long addr, pte_t *ptep)
46 {
47 return ptep_get_and_clear(mm, addr, ptep);
48 }
49
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)50 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
51 unsigned long addr, pte_t *ptep)
52 {
53 }
54
huge_pte_none(pte_t pte)55 static inline int huge_pte_none(pte_t pte)
56 {
57 return pte_none(pte);
58 }
59
huge_pte_wrprotect(pte_t pte)60 static inline pte_t huge_pte_wrprotect(pte_t pte)
61 {
62 return pte_wrprotect(pte);
63 }
64
huge_ptep_set_wrprotect(struct mm_struct * mm,unsigned long addr,pte_t * ptep)65 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
66 unsigned long addr, pte_t *ptep)
67 {
68 ptep_set_wrprotect(mm, addr, ptep);
69 }
70
huge_ptep_set_access_flags(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep,pte_t pte,int dirty)71 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
72 unsigned long addr, pte_t *ptep,
73 pte_t pte, int dirty)
74 {
75 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
76 }
77
huge_ptep_get(pte_t * ptep)78 static inline pte_t huge_ptep_get(pte_t *ptep)
79 {
80 return *ptep;
81 }
82
arch_prepare_hugepage(struct page * page)83 static inline int arch_prepare_hugepage(struct page *page)
84 {
85 return 0;
86 }
87
arch_release_hugepage(struct page * page)88 static inline void arch_release_hugepage(struct page *page)
89 {
90 }
91
92 #endif /* _ASM_SH_HUGETLB_H */
93