82fe3d7a38d959f7a310b3a5ef37712bf13d7439
[muen/linux.git] / arch / ia64 / include / asm / hugetlb.h
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
8 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
9                             unsigned long end, unsigned long floor,
10                             unsigned long ceiling);
11
12 int prepare_hugepage_range(struct file *file,
13                         unsigned long addr, unsigned long len);
14
15 static 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
23 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
24 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
25                                          unsigned long addr, pte_t *ptep)
26 {
27 }
28
29 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
30                                            unsigned long addr, pte_t *ptep)
31 {
32         ptep_set_wrprotect(mm, addr, ptep);
33 }
34
35 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
36                                              unsigned long addr, pte_t *ptep,
37                                              pte_t pte, int dirty)
38 {
39         return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
40 }
41
42 static inline pte_t huge_ptep_get(pte_t *ptep)
43 {
44         return *ptep;
45 }
46
47 static inline void arch_clear_hugepage_flags(struct page *page)
48 {
49 }
50
51 #include <asm-generic/hugetlb.h>
52
53 #endif /* _ASM_IA64_HUGETLB_H */