hugetlb.h 1.0 KB

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  1. #ifndef _ASM_IA64_HUGETLB_H
  2. #define _ASM_IA64_HUGETLB_H
  3. #include <asm/page.h>
  4. void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
  5. unsigned long end, unsigned long floor,
  6. unsigned long ceiling);
  7. int prepare_hugepage_range(unsigned long addr, unsigned long len);
  8. static inline int is_hugepage_only_range(struct mm_struct *mm,
  9. unsigned long addr,
  10. unsigned long len)
  11. {
  12. return (REGION_NUMBER(addr) == RGN_HPAGE ||
  13. REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
  14. }
  15. static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
  16. {
  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. #endif /* _ASM_IA64_HUGETLB_H */