1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_PARISC64_HUGETLB_H 3 #define _ASM_PARISC64_HUGETLB_H 4 5 #include <asm/page.h> 6 7 #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 8 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 9 pte_t *ptep, pte_t pte); 10 11 #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 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 */ 25 #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE 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 36 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 37 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, 38 unsigned long addr, pte_t *ptep) 39 { 40 } 41 42 #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 43 void huge_ptep_set_wrprotect(struct mm_struct *mm, 44 unsigned long addr, pte_t *ptep); 45 46 #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 47 int huge_ptep_set_access_flags(struct vm_area_struct *vma, 48 unsigned long addr, pte_t *ptep, 49 pte_t pte, int dirty); 50 51 static inline void arch_clear_hugepage_flags(struct page *page) 52 { 53 } 54 55 #include <asm-generic/hugetlb.h> 56 57 #endif /* _ASM_PARISC64_HUGETLB_H */ 58