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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_SPARC64_HUGETLB_H
- #define _ASM_SPARC64_HUGETLB_H
- #include <asm/page.h>
- #ifdef CONFIG_HUGETLB_PAGE
- struct pud_huge_patch_entry {
- unsigned int addr;
- unsigned int insn;
- };
- extern struct pud_huge_patch_entry __pud_huge_patch, __pud_huge_patch_end;
- #endif
- #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);
- #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
- static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
- {
- pte_t old_pte = *ptep;
- set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
- }
- #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
- static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
- {
- int changed = !pte_same(*ptep, pte);
- if (changed) {
- set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
- flush_tlb_page(vma, addr);
- }
- return changed;
- }
- #define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
- void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
- unsigned long end, unsigned long floor,
- unsigned long ceiling);
- #include <asm-generic/hugetlb.h>
- #endif /* _ASM_SPARC64_HUGETLB_H */
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