1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_PARISC64_HUGETLB_H
3*4882a593Smuzhiyun #define _ASM_PARISC64_HUGETLB_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <asm/page.h>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
8*4882a593Smuzhiyun void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
9*4882a593Smuzhiyun pte_t *ptep, pte_t pte);
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
12*4882a593Smuzhiyun pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
13*4882a593Smuzhiyun pte_t *ptep);
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun * If the arch doesn't supply something else, assume that hugepage
17*4882a593Smuzhiyun * size aligned regions are ok without further preparation.
18*4882a593Smuzhiyun */
19*4882a593Smuzhiyun #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
prepare_hugepage_range(struct file * file,unsigned long addr,unsigned long len)20*4882a593Smuzhiyun static inline int prepare_hugepage_range(struct file *file,
21*4882a593Smuzhiyun unsigned long addr, unsigned long len)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun if (len & ~HPAGE_MASK)
24*4882a593Smuzhiyun return -EINVAL;
25*4882a593Smuzhiyun if (addr & ~HPAGE_MASK)
26*4882a593Smuzhiyun return -EINVAL;
27*4882a593Smuzhiyun return 0;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)31*4882a593Smuzhiyun static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
32*4882a593Smuzhiyun unsigned long addr, pte_t *ptep)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
37*4882a593Smuzhiyun void huge_ptep_set_wrprotect(struct mm_struct *mm,
38*4882a593Smuzhiyun unsigned long addr, pte_t *ptep);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
41*4882a593Smuzhiyun int huge_ptep_set_access_flags(struct vm_area_struct *vma,
42*4882a593Smuzhiyun unsigned long addr, pte_t *ptep,
43*4882a593Smuzhiyun pte_t pte, int dirty);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun #include <asm-generic/hugetlb.h>
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun #endif /* _ASM_PARISC64_HUGETLB_H */
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