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Linux kernel mirror (for testing)
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linux
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
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
20static 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
31static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
32 unsigned long addr, pte_t *ptep)
33{
34}
35
36#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
37void huge_ptep_set_wrprotect(struct mm_struct *mm,
38 unsigned long addr, pte_t *ptep);
39
40#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
41int huge_ptep_set_access_flags(struct vm_area_struct *vma,
42 unsigned long addr, pte_t *ptep,
43 pte_t pte, int dirty);
44
45#include <asm-generic/hugetlb.h>
46
47#endif /* _ASM_PARISC64_HUGETLB_H */