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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); static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len) { return 0; } #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *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; } static inline void arch_clear_hugepage_flags(struct page *page) { } #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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