tlbflush.h 1.8 KB

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  1. #ifndef __ASM_TLBFLUSH_H
  2. #define __ASM_TLBFLUSH_H
  3. #include <linux/mm.h>
  4. /*
  5. * TLB flushing:
  6. *
  7. * - flush_tlb_all() flushes all processes TLB entries
  8. * - flush_tlb_mm(mm) flushes the specified mm context TLB entries
  9. * - flush_tlb_page(vma, vmaddr) flushes one page
  10. * - flush_tlb_range(vma, start, end) flushes a range of pages
  11. * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  12. * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  13. */
  14. extern void local_flush_tlb_all(void);
  15. extern void local_flush_tlb_mm(struct mm_struct *mm);
  16. extern void local_flush_tlb_range(struct vm_area_struct *vma,
  17. unsigned long start, unsigned long end);
  18. extern void local_flush_tlb_kernel_range(unsigned long start,
  19. unsigned long end);
  20. extern void local_flush_tlb_page(struct vm_area_struct *vma,
  21. unsigned long page);
  22. extern void local_flush_tlb_one(unsigned long vaddr);
  23. #ifdef CONFIG_SMP
  24. extern void flush_tlb_all(void);
  25. extern void flush_tlb_mm(struct mm_struct *);
  26. extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
  27. unsigned long);
  28. extern void flush_tlb_kernel_range(unsigned long, unsigned long);
  29. extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
  30. extern void flush_tlb_one(unsigned long vaddr);
  31. #else /* CONFIG_SMP */
  32. #define flush_tlb_all() local_flush_tlb_all()
  33. #define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
  34. #define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end)
  35. #define flush_tlb_kernel_range(vmaddr,end) \
  36. local_flush_tlb_kernel_range(vmaddr, end)
  37. #define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page)
  38. #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
  39. #endif /* CONFIG_SMP */
  40. static inline void flush_tlb_pgtables(struct mm_struct *mm,
  41. unsigned long start, unsigned long end)
  42. {
  43. /* Nothing to do on MIPS. */
  44. }
  45. #endif /* __ASM_TLBFLUSH_H */