1 #ifndef _ASM_PARISC64_HUGETLB_H
2 #define _ASM_PARISC64_HUGETLB_H
3
4 #include <asm/page.h>
5 #include <asm-generic/hugetlb.h>
6
7
8 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
9 pte_t *ptep, pte_t pte);
10
11 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
12 pte_t *ptep);
13
is_hugepage_only_range(struct mm_struct * mm,unsigned long addr,unsigned long len)14 static inline int is_hugepage_only_range(struct mm_struct *mm,
15 unsigned long addr,
16 unsigned long len) {
17 return 0;
18 }
19
20 /*
21 * If the arch doesn't supply something else, assume that hugepage
22 * size aligned regions are ok without further preparation.
23 */
prepare_hugepage_range(struct file * file,unsigned long addr,unsigned long len)24 static inline int prepare_hugepage_range(struct file *file,
25 unsigned long addr, unsigned long len)
26 {
27 if (len & ~HPAGE_MASK)
28 return -EINVAL;
29 if (addr & ~HPAGE_MASK)
30 return -EINVAL;
31 return 0;
32 }
33
hugetlb_free_pgd_range(struct mmu_gather * tlb,unsigned long addr,unsigned long end,unsigned long floor,unsigned long ceiling)34 static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
35 unsigned long addr, unsigned long end,
36 unsigned long floor,
37 unsigned long ceiling)
38 {
39 free_pgd_range(tlb, addr, end, floor, ceiling);
40 }
41
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)42 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
43 unsigned long addr, pte_t *ptep)
44 {
45 }
46
huge_pte_none(pte_t pte)47 static inline int huge_pte_none(pte_t pte)
48 {
49 return pte_none(pte);
50 }
51
huge_pte_wrprotect(pte_t pte)52 static inline pte_t huge_pte_wrprotect(pte_t pte)
53 {
54 return pte_wrprotect(pte);
55 }
56
57 void huge_ptep_set_wrprotect(struct mm_struct *mm,
58 unsigned long addr, pte_t *ptep);
59
60 int huge_ptep_set_access_flags(struct vm_area_struct *vma,
61 unsigned long addr, pte_t *ptep,
62 pte_t pte, int dirty);
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_PARISC64_HUGETLB_H */
74