include/asm-cris/tlbflush.h

   1 #ifndef _CRIS_TLBFLUSH_H
   2 #define _CRIS_TLBFLUSH_H
   3
   4 #include <linux/config.h>
   5 #include <linux/mm.h>
   6 #include <asm/processor.h>
   7 #include <asm/pgtable.h>
   8 #include <asm/pgalloc.h>
   9
  10 /*
  11  * TLB flushing (implemented in arch/cris/mm/tlb.c):
  12  *
  13  *  - flush_tlb() flushes the current mm struct TLBs
  14  *  - flush_tlb_all() flushes all processes TLBs
  15  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  16  *  - flush_tlb_page(vma, vmaddr) flushes one page
  17  *  - flush_tlb_range(mm, start, end) flushes a range of pages
  18  *
  19  */
  20
  21 extern void flush_tlb_all(void);
  22 extern void flush_tlb_mm(struct mm_struct *mm);
  23 extern void flush_tlb_page(struct vm_area_struct *vma,
  24                            unsigned long addr);
  25 extern void flush_tlb_range(struct vm_area_struct *vma,
  26                             unsigned long start,
  27                             unsigned long end);
  28
  29 extern inline void flush_tlb_pgtables(struct mm_struct *mm,
  30                                       unsigned long start, unsigned long end)
  31 {
  32         /* CRIS does not keep any page table caches in TLB */
  33 }
  34
  35
  36 extern inline void flush_tlb(void)
  37 {
  38         flush_tlb_mm(current->mm);
  39 }
  40
  41 #define flush_tlb_kernel_range(start, end) flush_tlb_all()
  42
  43 #endif /* _CRIS_TLBFLUSH_H */