1#ifndef _ASM_IA64_HUGETLB_H
2#define _ASM_IA64_HUGETLB_H
3
4#include <asm/page.h>
5#include <asm-generic/hugetlb.h>
6
7
8void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
9			    unsigned long end, unsigned long floor,
10			    unsigned long ceiling);
11
12int prepare_hugepage_range(struct file *file,
13			unsigned long addr, unsigned long len);
14
15static inline int is_hugepage_only_range(struct mm_struct *mm,
16					 unsigned long addr,
17					 unsigned long len)
18{
19	return (REGION_NUMBER(addr) == RGN_HPAGE ||
20		REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
21}
22
23static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
24{
25}
26
27static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
28				   pte_t *ptep, pte_t pte)
29{
30	set_pte_at(mm, addr, ptep, pte);
31}
32
33static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
34					    unsigned long addr, pte_t *ptep)
35{
36	return ptep_get_and_clear(mm, addr, ptep);
37}
38
39static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
40					 unsigned long addr, pte_t *ptep)
41{
42}
43
44static inline int huge_pte_none(pte_t pte)
45{
46	return pte_none(pte);
47}
48
49static inline pte_t huge_pte_wrprotect(pte_t pte)
50{
51	return pte_wrprotect(pte);
52}
53
54static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
55					   unsigned long addr, pte_t *ptep)
56{
57	ptep_set_wrprotect(mm, addr, ptep);
58}
59
60static inline 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{
64	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
65}
66
67static inline pte_t huge_ptep_get(pte_t *ptep)
68{
69	return *ptep;
70}
71
72static inline int arch_prepare_hugepage(struct page *page)
73{
74	return 0;
75}
76
77static inline void arch_release_hugepage(struct page *page)
78{
79}
80
81static inline void arch_clear_hugepage_flags(struct page *page)
82{
83}
84
85#endif /* _ASM_IA64_HUGETLB_H */
86