hugetlb.h 948 B

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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. #define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
  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. #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
  10. int prepare_hugepage_range(struct file *file,
  11. unsigned long addr, unsigned long len);
  12. static inline int is_hugepage_only_range(struct mm_struct *mm,
  13. unsigned long addr,
  14. unsigned long len)
  15. {
  16. return (REGION_NUMBER(addr) == RGN_HPAGE ||
  17. REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
  18. }
  19. #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
  20. static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
  21. unsigned long addr, pte_t *ptep)
  22. {
  23. }
  24. static inline void arch_clear_hugepage_flags(struct page *page)
  25. {
  26. }
  27. #include <asm-generic/hugetlb.h>
  28. #endif /* _ASM_IA64_HUGETLB_H */