hugetlb.h 1.6 KB

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  1. #ifndef _ASM_PARISC64_HUGETLB_H
  2. #define _ASM_PARISC64_HUGETLB_H
  3. #include <asm/page.h>
  4. #include <asm-generic/hugetlb.h>
  5. void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
  6. pte_t *ptep, pte_t pte);
  7. pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
  8. pte_t *ptep);
  9. static inline int is_hugepage_only_range(struct mm_struct *mm,
  10. unsigned long addr,
  11. unsigned long len) {
  12. return 0;
  13. }
  14. /*
  15. * If the arch doesn't supply something else, assume that hugepage
  16. * size aligned regions are ok without further preparation.
  17. */
  18. static inline int prepare_hugepage_range(struct file *file,
  19. unsigned long addr, unsigned long len)
  20. {
  21. if (len & ~HPAGE_MASK)
  22. return -EINVAL;
  23. if (addr & ~HPAGE_MASK)
  24. return -EINVAL;
  25. return 0;
  26. }
  27. static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
  28. unsigned long addr, unsigned long end,
  29. unsigned long floor,
  30. unsigned long ceiling)
  31. {
  32. free_pgd_range(tlb, addr, end, floor, ceiling);
  33. }
  34. static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
  35. unsigned long addr, pte_t *ptep)
  36. {
  37. }
  38. static inline int huge_pte_none(pte_t pte)
  39. {
  40. return pte_none(pte);
  41. }
  42. static inline pte_t huge_pte_wrprotect(pte_t pte)
  43. {
  44. return pte_wrprotect(pte);
  45. }
  46. void huge_ptep_set_wrprotect(struct mm_struct *mm,
  47. unsigned long addr, pte_t *ptep);
  48. int huge_ptep_set_access_flags(struct vm_area_struct *vma,
  49. unsigned long addr, pte_t *ptep,
  50. pte_t pte, int dirty);
  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_PARISC64_HUGETLB_H */