tlbflush.h 1.4 KB

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  1. /*
  2. * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
  3. * Licensed under the GPL
  4. */
  5. #ifndef __UM_TLBFLUSH_H
  6. #define __UM_TLBFLUSH_H
  7. #include <linux/mm.h>
  8. #include "choose-mode.h"
  9. /*
  10. * TLB flushing:
  11. *
  12. * - flush_tlb() flushes the current mm struct TLBs
  13. * - flush_tlb_all() flushes all processes TLBs
  14. * - flush_tlb_mm(mm) flushes the specified mm context TLB's
  15. * - flush_tlb_page(vma, vmaddr) flushes one page
  16. * - flush_tlb_kernel_vm() flushes the kernel vm area
  17. * - flush_tlb_range(vma, start, end) flushes a range of pages
  18. * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  19. */
  20. extern void flush_tlb_all(void);
  21. extern void flush_tlb_mm(struct mm_struct *mm);
  22. extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  23. unsigned long end);
  24. extern void flush_tlb_page_skas(struct vm_area_struct *vma,
  25. unsigned long address);
  26. static inline void flush_tlb_page(struct vm_area_struct *vma,
  27. unsigned long address)
  28. {
  29. address &= PAGE_MASK;
  30. CHOOSE_MODE(flush_tlb_range(vma, address, address + PAGE_SIZE),
  31. flush_tlb_page_skas(vma, address));
  32. }
  33. extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
  34. extern void flush_tlb_kernel_vm(void);
  35. extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  36. extern void __flush_tlb_one(unsigned long addr);
  37. static inline void flush_tlb_pgtables(struct mm_struct *mm,
  38. unsigned long start, unsigned long end)
  39. {
  40. }
  41. #endif