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#define is_hugepage_only_range is_hugepage_only_range
24
25#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
 
 
 
 
 
 
 
 
 
 
 
26static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
27					 unsigned long addr, pte_t *ptep)
28{
29}
30
31#include <asm-generic/hugetlb.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32
33#endif /* _ASM_IA64_HUGETLB_H */

 
 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 set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
24				   pte_t *ptep, pte_t pte)
25{
26	set_pte_at(mm, addr, ptep, pte);
27}
28
29static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
30					    unsigned long addr, pte_t *ptep)
31{
32	return ptep_get_and_clear(mm, addr, ptep);
33}
34
35static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
36					 unsigned long addr, pte_t *ptep)
37{
38}
39
40static inline int huge_pte_none(pte_t pte)
41{
42	return pte_none(pte);
43}
44
45static inline pte_t huge_pte_wrprotect(pte_t pte)
46{
47	return pte_wrprotect(pte);
48}
49
50static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
51					   unsigned long addr, pte_t *ptep)
52{
53	ptep_set_wrprotect(mm, addr, ptep);
54}
55
56static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
57					     unsigned long addr, pte_t *ptep,
58					     pte_t pte, int dirty)
59{
60	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
61}
62
63static inline pte_t huge_ptep_get(pte_t *ptep)
64{
65	return *ptep;
66}
67
68static inline void arch_clear_hugepage_flags(struct page *page)
69{
70}
71
72#endif /* _ASM_IA64_HUGETLB_H */