1 #ifndef _ASM_POWERPC_HUGETLB_H
2 #define _ASM_POWERPC_HUGETLB_H
7 int is_hugepage_only_range(struct mm_struct
*mm
, unsigned long addr
,
10 void hugetlb_free_pgd_range(struct mmu_gather
*tlb
, unsigned long addr
,
11 unsigned long end
, unsigned long floor
,
12 unsigned long ceiling
);
14 void set_huge_pte_at(struct mm_struct
*mm
, unsigned long addr
,
15 pte_t
*ptep
, pte_t pte
);
17 pte_t
huge_ptep_get_and_clear(struct mm_struct
*mm
, unsigned long addr
,
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(unsigned long addr
, unsigned long len
)
26 if (len
& ~HPAGE_MASK
)
28 if (addr
& ~HPAGE_MASK
)
33 static inline void hugetlb_prefault_arch_hook(struct mm_struct
*mm
)
37 static inline void huge_ptep_clear_flush(struct vm_area_struct
*vma
,
38 unsigned long addr
, pte_t
*ptep
)
42 static inline int huge_pte_none(pte_t pte
)
47 static inline pte_t
huge_pte_wrprotect(pte_t pte
)
49 return pte_wrprotect(pte
);
52 static inline int huge_ptep_set_access_flags(struct vm_area_struct
*vma
,
53 unsigned long addr
, pte_t
*ptep
,
56 return ptep_set_access_flags(vma
, addr
, ptep
, pte
, dirty
);
59 static inline pte_t
huge_ptep_get(pte_t
*ptep
)
64 static inline int arch_prepare_hugepage(struct page
*page
)
69 static inline void arch_release_hugepage(struct page
*page
)
73 #endif /* _ASM_POWERPC_HUGETLB_H */