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, unsigned long sz); 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 /* 16 * If the arch doesn't supply something else, assume that hugepage 17 * size aligned regions are ok without further preparation. 18 */ 19 #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE 20 static inline int prepare_hugepage_range(struct file *file, 21 unsigned long addr, unsigned long len) 22 { 23 if (len & ~HPAGE_MASK) 24 return -EINVAL; 25 if (addr & ~HPAGE_MASK) 26 return -EINVAL; 27 return 0; 28 } 29 30 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 31 static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 32 unsigned long addr, pte_t *ptep) 33 { 34 return *ptep; 35 } 36 37 #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 38 void huge_ptep_set_wrprotect(struct mm_struct *mm, 39 unsigned long addr, pte_t *ptep); 40 41 #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 42 int huge_ptep_set_access_flags(struct vm_area_struct *vma, 43 unsigned long addr, pte_t *ptep, 44 pte_t pte, int dirty); 45 46 #include <asm-generic/hugetlb.h> 47 48 #endif /* _ASM_PARISC64_HUGETLB_H */ 49