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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/sparc/include/asm/hugetlb.h
1 #ifndef _ASM_SPARC64_HUGETLB_H
2 #define _ASM_SPARC64_HUGETLB_H
5 #include <asm-generic/hugetlb.h>
8 void set_huge_pte_at(struct mm_struct
*mm
, unsigned long addr
,
9 pte_t
*ptep
, pte_t pte
);
11 pte_t
huge_ptep_get_and_clear(struct mm_struct
*mm
, unsigned long addr
,
14 static inline int is_hugepage_only_range(struct mm_struct
*mm
,
21 * If the arch doesn't supply something else, assume that hugepage
22 * size aligned regions are ok without further preparation.
24 static inline int prepare_hugepage_range(struct file
*file
,
25 unsigned long addr
, unsigned long len
)
27 struct hstate
*h
= hstate_file(file
);
29 if (len
& ~huge_page_mask(h
))
31 if (addr
& ~huge_page_mask(h
))
36 static inline void huge_ptep_clear_flush(struct vm_area_struct
*vma
,
37 unsigned long addr
, pte_t
*ptep
)
41 static inline int huge_pte_none(pte_t pte
)
46 static inline pte_t
huge_pte_wrprotect(pte_t pte
)
48 return pte_wrprotect(pte
);
51 static inline void huge_ptep_set_wrprotect(struct mm_struct
*mm
,
52 unsigned long addr
, pte_t
*ptep
)
54 pte_t old_pte
= *ptep
;
55 set_huge_pte_at(mm
, addr
, ptep
, pte_wrprotect(old_pte
));
58 static inline int huge_ptep_set_access_flags(struct vm_area_struct
*vma
,
59 unsigned long addr
, pte_t
*ptep
,
62 int changed
= !pte_same(*ptep
, pte
);
64 set_huge_pte_at(vma
->vm_mm
, addr
, ptep
, pte
);
65 flush_tlb_page(vma
, addr
);
70 static inline pte_t
huge_ptep_get(pte_t
*ptep
)
75 static inline void arch_clear_hugepage_flags(struct page
*page
)
79 void hugetlb_free_pgd_range(struct mmu_gather
*tlb
, unsigned long addr
,
80 unsigned long end
, unsigned long floor
,
81 unsigned long ceiling
);
83 #endif /* _ASM_SPARC64_HUGETLB_H */