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- #ifndef _ASM_IA64_HUGETLB_H
- #define _ASM_IA64_HUGETLB_H
- #include <asm/page.h>
- void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
- unsigned long end, unsigned long floor,
- unsigned long ceiling);
- int prepare_hugepage_range(unsigned long addr, unsigned long len);
- static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len)
- {
- return (REGION_NUMBER(addr) == RGN_HPAGE ||
- REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
- }
- static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
- {
- }
- static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
- {
- set_pte_at(mm, addr, ptep, pte);
- }
- static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
- {
- return ptep_get_and_clear(mm, addr, ptep);
- }
- static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep)
- {
- }
- static inline int huge_pte_none(pte_t pte)
- {
- return pte_none(pte);
- }
- static inline pte_t huge_pte_wrprotect(pte_t pte)
- {
- return pte_wrprotect(pte);
- }
- static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
- {
- ptep_set_wrprotect(mm, addr, ptep);
- }
- static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
- {
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
- }
- static inline pte_t huge_ptep_get(pte_t *ptep)
- {
- return *ptep;
- }
- static inline int arch_prepare_hugepage(struct page *page)
- {
- return 0;
- }
- static inline void arch_release_hugepage(struct page *page)
- {
- }
- #endif /* _ASM_IA64_HUGETLB_H */
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