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 unsigned long sz); 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 41 #define __HAVE_ARCH_HUGE_PTEP_GET 42 pte_t huge_ptep_get(pte_t *ptep); 43 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 51 #endif /* _ASM_RISCV_HUGETLB_H */ 52