| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_PARISC64_HUGETLB_H |
| #define _ASM_PARISC64_HUGETLB_H |
| |
| #include <asm/page.h> |
| |
| #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT |
| void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep, pte_t pte); |
| |
| #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR |
| pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep); |
| |
| /* |
| * If the arch doesn't supply something else, assume that hugepage |
| * size aligned regions are ok without further preparation. |
| */ |
| #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE |
| static inline int prepare_hugepage_range(struct file *file, |
| unsigned long addr, unsigned long len) |
| { |
| if (len & ~HPAGE_MASK) |
| return -EINVAL; |
| if (addr & ~HPAGE_MASK) |
| return -EINVAL; |
| return 0; |
| } |
| |
| #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
| static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, |
| unsigned long addr, pte_t *ptep) |
| { |
| return *ptep; |
| } |
| |
| #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT |
| void huge_ptep_set_wrprotect(struct mm_struct *mm, |
| unsigned long addr, pte_t *ptep); |
| |
| #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS |
| int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
| unsigned long addr, pte_t *ptep, |
| pte_t pte, int dirty); |
| |
| #include <asm-generic/hugetlb.h> |
| |
| #endif /* _ASM_PARISC64_HUGETLB_H */ |
