hugetlb.h 1.7 KB

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