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