1 #ifndef _ASM_IA64_HUGETLB_H 2 #define _ASM_IA64_HUGETLB_H 3 4 #include <asm/page.h> 5 #include <asm-generic/hugetlb.h> 6 7 8 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, 9 unsigned long end, unsigned long floor, 10 unsigned long ceiling); 11 12 int prepare_hugepage_range(struct file *file, 13 unsigned long addr, unsigned long len); 14 15 static inline int is_hugepage_only_range(struct mm_struct *mm, 16 unsigned long addr, 17 unsigned long len) 18 { 19 return (REGION_NUMBER(addr) == RGN_HPAGE || 20 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE); 21 } 22 23 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) 24 { 25 } 26 27 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 28 pte_t *ptep, pte_t pte) 29 { 30 set_pte_at(mm, addr, ptep, pte); 31 } 32 33 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 34 unsigned long addr, pte_t *ptep) 35 { 36 return ptep_get_and_clear(mm, addr, ptep); 37 } 38 39 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, 40 unsigned long addr, pte_t *ptep) 41 { 42 } 43 44 static inline int huge_pte_none(pte_t pte) 45 { 46 return pte_none(pte); 47 } 48 49 static inline pte_t huge_pte_wrprotect(pte_t pte) 50 { 51 return pte_wrprotect(pte); 52 } 53 54 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, 55 unsigned long addr, pte_t *ptep) 56 { 57 ptep_set_wrprotect(mm, addr, ptep); 58 } 59 60 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, 61 unsigned long addr, pte_t *ptep, 62 pte_t pte, int dirty) 63 { 64 return ptep_set_access_flags(vma, addr, ptep, pte, dirty); 65 } 66 67 static inline pte_t huge_ptep_get(pte_t *ptep) 68 { 69 return *ptep; 70 } 71 72 static inline int arch_prepare_hugepage(struct page *page) 73 { 74 return 0; 75 } 76 77 static inline void arch_release_hugepage(struct page *page) 78 { 79 } 80 81 static inline void arch_clear_hugepage_flags(struct page *page) 82 { 83 } 84 85 #endif /* _ASM_IA64_HUGETLB_H */ 86