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
  26 #ifdef CONFIG_SMP
  27 extern void flush_tlb_all(void);
  28 extern void flush_tlb_mm(struct mm_struct *mm);
  29 extern void flush_tlb_page(struct vm_area_struct *vma,
  30                            unsigned long addr);
  31 #else
  32 #define flush_tlb_all __flush_tlb_all
  33 #define flush_tlb_mm __flush_tlb_mm
  34 #define flush_tlb_page __flush_tlb_page
  35 #endif
  36
  37 static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end)
  38 {
  39         flush_tlb_mm(vma->vm_mm);
  40 }
  41
  42 static inline void flush_tlb_pgtables(struct mm_struct *mm,
  43                                       unsigned long start, unsigned long end)
  44 {
  45         /* CRIS does not keep any page table caches in TLB */
  46 }
  47
  48
  49 static inline void flush_tlb(void)
  50 {
  51         flush_tlb_mm(current->mm);
  52 }
  53
  54 #define flush_tlb_kernel_range(start, end) flush_tlb_all()
  55
  56 #endif /* _CRIS_TLBFLUSH_H */