arch/ia64/include/asm/hugetlb.h

   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 set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
  24                                    pte_t *ptep, pte_t pte)
  25 {
  26         set_pte_at(mm, addr, ptep, pte);
  27 }
  28
  29 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
  30                                             unsigned long addr, pte_t *ptep)
  31 {
  32         return ptep_get_and_clear(mm, addr, ptep);
  33 }
  34
  35 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
  36                                          unsigned long addr, pte_t *ptep)
  37 {
  38 }
  39
  40 static inline int huge_pte_none(pte_t pte)
  41 {
  42         return pte_none(pte);
  43 }
  44
  45 static inline pte_t huge_pte_wrprotect(pte_t pte)
  46 {
  47         return pte_wrprotect(pte);
  48 }
  49
  50 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
  51                                            unsigned long addr, pte_t *ptep)
  52 {
  53         ptep_set_wrprotect(mm, addr, ptep);
  54 }
  55
  56 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
  57                                              unsigned long addr, pte_t *ptep,
  58                                              pte_t pte, int dirty)
  59 {
  60         return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
  61 }
  62
  63 static inline pte_t huge_ptep_get(pte_t *ptep)
  64 {
  65         return *ptep;
  66 }
  67
  68 static inline void arch_clear_hugepage_flags(struct page *page)
  69 {
  70 }
  71
  72 #endif /* _ASM_IA64_HUGETLB_H */