|  | #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(struct file *file, | 
|  | 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) | 
|  | { | 
|  | } | 
|  |  | 
|  | static inline void arch_clear_hugepage_flags(struct page *page) | 
|  | { | 
|  | } | 
|  |  | 
|  | #endif /* _ASM_IA64_HUGETLB_H */ |