projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 736d2169 HD |
2 | #ifndef _ASM_PARISC64_HUGETLB_H |
| 3 | #define _ASM_PARISC64_HUGETLB_H | |
| 4 | ||
| 5 | #include <asm/page.h> | |
| 736d2169 | 6 | |
| cea685d5 | 7 | #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT |
| 736d2169 HD |
8 | void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, |
| 9 | pte_t *ptep, pte_t pte); | |
| 10 | ||
| a4d83853 | 11 | #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR |
| 736d2169 HD |
12 | pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, |
| 13 | pte_t *ptep); | |
| 14 | ||
| 15 | static 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 | */ | |
| 78d6e4e8 | 25 | #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE |
| 736d2169 HD |
26 | static 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 | ||
| fe632225 | 36 | #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
| 736d2169 HD |
37 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
| 38 | unsigned long addr, pte_t *ptep) | |
| 39 | { | |
| 40 | } | |
| 41 | ||
| 8e581d43 | 42 | #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT |
| b0e55131 HD |
43 | void huge_ptep_set_wrprotect(struct mm_struct *mm, |
| 44 | unsigned long addr, pte_t *ptep); | |
| 736d2169 | 45 | |
| facf6d5b | 46 | #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS |
| b0e55131 | 47 | int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
| 736d2169 | 48 | unsigned long addr, pte_t *ptep, |
| b0e55131 | 49 | pte_t pte, int dirty); |
| 736d2169 | 50 | |
| 736d2169 HD |
51 | static inline void arch_clear_hugepage_flags(struct page *page) |
| 52 | { | |
| 53 | } | |
| 54 | ||
| 1e5f50fc AG |
55 | #include <asm-generic/hugetlb.h> |
| 56 | ||
| 736d2169 | 57 | #endif /* _ASM_PARISC64_HUGETLB_H */ |