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v5.4
 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_HUGETLB_H
 3#define _ASM_IA64_HUGETLB_H
 4
 5#include <asm/page.h>
 
 
 6
 7#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
 8void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
 9			    unsigned long end, unsigned long floor,
10			    unsigned long ceiling);
11
12#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
13int prepare_hugepage_range(struct file *file,
14			unsigned long addr, unsigned long len);
15
16static inline int is_hugepage_only_range(struct mm_struct *mm,
17					 unsigned long addr,
18					 unsigned long len)
19{
20	return (REGION_NUMBER(addr) == RGN_HPAGE ||
21		REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
22}
23
24#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
 
 
 
 
 
 
 
 
 
 
 
25static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
26					 unsigned long addr, pte_t *ptep)
27{
28}
29
30static inline void arch_clear_hugepage_flags(struct page *page)
31{
 
32}
33
34#include <asm-generic/hugetlb.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
35
36#endif /* _ASM_IA64_HUGETLB_H */
v4.17
 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_HUGETLB_H
 3#define _ASM_IA64_HUGETLB_H
 4
 5#include <asm/page.h>
 6#include <asm-generic/hugetlb.h>
 7
 8
 
 9void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
10			    unsigned long end, unsigned long floor,
11			    unsigned long ceiling);
12
 
13int prepare_hugepage_range(struct file *file,
14			unsigned long addr, unsigned long len);
15
16static inline int is_hugepage_only_range(struct mm_struct *mm,
17					 unsigned long addr,
18					 unsigned long len)
19{
20	return (REGION_NUMBER(addr) == RGN_HPAGE ||
21		REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
22}
23
24static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
25				   pte_t *ptep, pte_t pte)
26{
27	set_pte_at(mm, addr, ptep, pte);
28}
29
30static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
31					    unsigned long addr, pte_t *ptep)
32{
33	return ptep_get_and_clear(mm, addr, ptep);
34}
35
36static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
37					 unsigned long addr, pte_t *ptep)
38{
39}
40
41static inline int huge_pte_none(pte_t pte)
42{
43	return pte_none(pte);
44}
45
46static inline pte_t huge_pte_wrprotect(pte_t pte)
47{
48	return pte_wrprotect(pte);
49}
50
51static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
52					   unsigned long addr, pte_t *ptep)
53{
54	ptep_set_wrprotect(mm, addr, ptep);
55}
56
57static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
58					     unsigned long addr, pte_t *ptep,
59					     pte_t pte, int dirty)
60{
61	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
62}
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_IA64_HUGETLB_H */