1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_RISCV_HUGETLB_H 3 #define _ASM_RISCV_HUGETLB_H 4 5 #include <asm/cacheflush.h> 6 #include <asm/page.h> 7 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 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, 21 unsigned long addr, pte_t *ptep, pte_t pte); 22 23 #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 24 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 25 unsigned long addr, pte_t *ptep); 26 27 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 28 pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 29 unsigned long addr, pte_t *ptep); 30 31 #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 32 void huge_ptep_set_wrprotect(struct mm_struct *mm, 33 unsigned long addr, pte_t *ptep); 34 35 #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 36 int huge_ptep_set_access_flags(struct vm_area_struct *vma, 37 unsigned long addr, pte_t *ptep, 38 pte_t pte, int dirty); 39 40 #define __HAVE_ARCH_HUGE_PTEP_GET 41 pte_t huge_ptep_get(pte_t *ptep); 42 43 pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); 44 #define arch_make_huge_pte arch_make_huge_pte 45 46 #endif /*CONFIG_RISCV_ISA_SVNAPOT*/ 47 48 #include <asm-generic/hugetlb.h> 49 50 #endif /* _ASM_RISCV_HUGETLB_H */ 51