projects / thirdparty / kernel / stable.git / blame
| Commit | Line | Data |
|---|---|---|
| 9e953cda AG |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ASM_RISCV_HUGETLB_H | |
| 3 | #define _ASM_RISCV_HUGETLB_H | |
| 4 | ||
| 33a9fb09 | 5 | #include <asm/cacheflush.h> |
| 9e953cda AG |
6 | #include <asm/page.h> |
| 7 | ||
| d8bf77a1 TT |
8 | static inline void arch_clear_hugepage_flags(struct page *page) |
| 9 | { | |
| 10 | clear_bit(PG_dcache_clean, &page->flags); | |
| 11 | } | |
| 12 | #define arch_clear_hugepage_flags arch_clear_hugepage_flags | |
| 13 | ||
| 82a1a1f3 QP |
14 | #ifdef CONFIG_RISCV_ISA_SVNAPOT |
| 15 | #define __HAVE_ARCH_HUGE_PTE_CLEAR | |
| 16 | void huge_pte_clear(struct mm_struct *mm, unsigned long addr, | |
| 17 | pte_t *ptep, unsigned long sz); | |
| 18 | ||
| 19 | #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT | |
| 20 | void set_huge_pte_at(struct mm_struct *mm, | |
| 935d4f0c RR |
21 | unsigned long addr, pte_t *ptep, pte_t pte, |
| 22 | unsigned long sz); | |
| 82a1a1f3 QP |
23 | |
| 24 | #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR | |
| 25 | pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
| 26 | unsigned long addr, pte_t *ptep); | |
| 27 | ||
| 28 | #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH | |
| 29 | pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, | |
| 30 | unsigned long addr, pte_t *ptep); | |
| 31 | ||
| 32 | #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT | |
| 33 | void huge_ptep_set_wrprotect(struct mm_struct *mm, | |
| 34 | unsigned long addr, pte_t *ptep); | |
| 35 | ||
| 36 | #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS | |
| 37 | int huge_ptep_set_access_flags(struct vm_area_struct *vma, | |
| 38 | unsigned long addr, pte_t *ptep, | |
| 39 | pte_t pte, int dirty); | |
| 40 | ||
| 6966d798 AG |
41 | #define __HAVE_ARCH_HUGE_PTEP_GET |
| 42 | pte_t huge_ptep_get(pte_t *ptep); | |
| 43 | ||
| 82a1a1f3 QP |
44 | pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); |
| 45 | #define arch_make_huge_pte arch_make_huge_pte | |
| 46 | ||
| 47 | #endif /*CONFIG_RISCV_ISA_SVNAPOT*/ | |
| 48 | ||
| 49 | #include <asm-generic/hugetlb.h> | |
| 50 | ||
| 9e953cda | 51 | #endif /* _ASM_RISCV_HUGETLB_H */ |