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Linux kernel mirror (for testing)
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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
8void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
9 pte_t *ptep, pte_t pte);
10
11#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
12pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
13 pte_t *ptep);
14
15static inline int is_hugepage_only_range(struct mm_struct *mm,
16 unsigned long addr,
17 unsigned long len) {
18 return 0;
19}
20
21/*
22 * If the arch doesn't supply something else, assume that hugepage
23 * size aligned regions are ok without further preparation.
24 */
25#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
26static inline int prepare_hugepage_range(struct file *file,
27 unsigned long addr, unsigned long len)
28{
29 if (len & ~HPAGE_MASK)
30 return -EINVAL;
31 if (addr & ~HPAGE_MASK)
32 return -EINVAL;
33 return 0;
34}
35
36#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
37static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
38 unsigned long addr, pte_t *ptep)
39{
40}
41
42#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
43void huge_ptep_set_wrprotect(struct mm_struct *mm,
44 unsigned long addr, pte_t *ptep);
45
46#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
47int huge_ptep_set_access_flags(struct vm_area_struct *vma,
48 unsigned long addr, pte_t *ptep,
49 pte_t pte, int dirty);
50
51static inline void arch_clear_hugepage_flags(struct page *page)
52{
53}
54
55#include <asm-generic/hugetlb.h>
56
57#endif /* _ASM_PARISC64_HUGETLB_H */