arch/ia64/include/asm/hugetlb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_IA64_HUGETLB_H
   3 #define _ASM_IA64_HUGETLB_H
   4
   5 #include <asm/page.h>
   6 #include <asm-generic/hugetlb.h>
   7
   8
   9 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
  10                             unsigned long end, unsigned long floor,
  11                             unsigned long ceiling);
  12
  13 int prepare_hugepage_range(struct file *file,
  14                         unsigned long addr, unsigned long len);
  15
  16 static inline int is_hugepage_only_range(struct mm_struct *mm,
  17                                          unsigned long addr,
  18                                          unsigned long len)
  19 {
  20         return (REGION_NUMBER(addr) == RGN_HPAGE ||
  21                 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
  22 }
  23
  24 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
  25                                    pte_t *ptep, pte_t pte)
  26 {
  27         set_pte_at(mm, addr, ptep, pte);
  28 }
  29
  30 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
  31                                             unsigned long addr, pte_t *ptep)
  32 {
  33         return ptep_get_and_clear(mm, addr, ptep);
  34 }
  35
  36 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
  37                                          unsigned long addr, pte_t *ptep)
  38 {
  39 }
  40
  41 static inline int huge_pte_none(pte_t pte)
  42 {
  43         return pte_none(pte);
  44 }
  45
  46 static inline pte_t huge_pte_wrprotect(pte_t pte)
  47 {
  48         return pte_wrprotect(pte);
  49 }
  50
  51 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
  52                                            unsigned long addr, pte_t *ptep)
  53 {
  54         ptep_set_wrprotect(mm, addr, ptep);
  55 }
  56
  57 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
  58                                              unsigned long addr, pte_t *ptep,
  59                                              pte_t pte, int dirty)
  60 {
  61         return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
  62 }
  63
  64 static inline pte_t huge_ptep_get(pte_t *ptep)
  65 {
  66         return *ptep;
  67 }
  68
  69 static inline void arch_clear_hugepage_flags(struct page *page)
  70 {
  71 }
  72
  73 #endif /* _ASM_IA64_HUGETLB_H */