tlbflush.h 1.9 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455
  1. #ifndef __ASM_TLBFLUSH_H
  2. #define __ASM_TLBFLUSH_H
  3. #include <linux/config.h>
  4. #include <linux/mm.h>
  5. /*
  6. * TLB flushing:
  7. *
  8. * - flush_tlb_all() flushes all processes TLB entries
  9. * - flush_tlb_mm(mm) flushes the specified mm context TLB entries
  10. * - flush_tlb_page(vma, vmaddr) flushes one page
  11. * - flush_tlb_range(vma, start, end) flushes a range of pages
  12. * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  13. * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  14. */
  15. extern void local_flush_tlb_all(void);
  16. extern void local_flush_tlb_mm(struct mm_struct *mm);
  17. extern void local_flush_tlb_range(struct vm_area_struct *vma,
  18. unsigned long start, unsigned long end);
  19. extern void local_flush_tlb_kernel_range(unsigned long start,
  20. unsigned long end);
  21. extern void local_flush_tlb_page(struct vm_area_struct *vma,
  22. unsigned long page);
  23. extern void local_flush_tlb_one(unsigned long vaddr);
  24. #ifdef CONFIG_SMP
  25. extern void flush_tlb_all(void);
  26. extern void flush_tlb_mm(struct mm_struct *);
  27. extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
  28. unsigned long);
  29. extern void flush_tlb_kernel_range(unsigned long, unsigned long);
  30. extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
  31. extern void flush_tlb_one(unsigned long vaddr);
  32. #else /* CONFIG_SMP */
  33. #define flush_tlb_all() local_flush_tlb_all()
  34. #define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
  35. #define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end)
  36. #define flush_tlb_kernel_range(vmaddr,end) \
  37. local_flush_tlb_kernel_range(vmaddr, end)
  38. #define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page)
  39. #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
  40. #endif /* CONFIG_SMP */
  41. static inline void flush_tlb_pgtables(struct mm_struct *mm,
  42. unsigned long start, unsigned long end)
  43. {
  44. /* Nothing to do on MIPS. */
  45. }
  46. #endif /* __ASM_TLBFLUSH_H */