1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_PARISC64_HUGETLB_H
3 #define _ASM_PARISC64_HUGETLB_H
4
5 #include <asm/page.h>
6
7 #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
8 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
9 pte_t *ptep, pte_t pte, unsigned long sz);
10
11 #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
12 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
13 pte_t *ptep);
14
15 /*
16 * If the arch doesn't supply something else, assume that hugepage
17 * size aligned regions are ok without further preparation.
18 */
19 #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
20 static inline int prepare_hugepage_range(struct file *file,
21 unsigned long addr, unsigned long len)
22 {
23 if (len & ~HPAGE_MASK)
24 return -EINVAL;
25 if (addr & ~HPAGE_MASK)
26 return -EINVAL;
27 return 0;
28 }
29
30 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
31 static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
32 unsigned long addr, pte_t *ptep)
33 {
34 return *ptep;
35 }
36
37 #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
38 void huge_ptep_set_wrprotect(struct mm_struct *mm,
39 unsigned long addr, pte_t *ptep);
40
41 #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
42 int huge_ptep_set_access_flags(struct vm_area_struct *vma,
43 unsigned long addr, pte_t *ptep,
44 pte_t pte, int dirty);
45
46 #include <asm-generic/hugetlb.h>
47
48 #endif /* _ASM_PARISC64_HUGETLB_H */
49
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