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