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
8void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
9		     pte_t *ptep, pte_t pte);
10
11pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
12			      pte_t *ptep);
13
14static 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 */
24static 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
34static 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
42static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
43					 unsigned long addr, pte_t *ptep)
44{
45}
46
47static inline int huge_pte_none(pte_t pte)
48{
49	return pte_none(pte);
50}
51
52static inline pte_t huge_pte_wrprotect(pte_t pte)
53{
54	return pte_wrprotect(pte);
55}
56
57void huge_ptep_set_wrprotect(struct mm_struct *mm,
58					   unsigned long addr, pte_t *ptep);
59
60int huge_ptep_set_access_flags(struct vm_area_struct *vma,
61					     unsigned long addr, pte_t *ptep,
62					     pte_t pte, int dirty);
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_PARISC64_HUGETLB_H */
74