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