include/asm-cris/tlbflush.h

   1 #ifndef _CRIS_TLBFLUSH_H
   2 #define _CRIS_TLBFLUSH_H
   3
   4 #include <linux/mm.h>
   5 #include <asm/processor.h>
   6 #include <asm/pgtable.h>
   7 #include <asm/pgalloc.h>
   8
   9 /*
  10  * TLB flushing (implemented in arch/cris/mm/tlb.c):
  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_range(mm, start, end) flushes a range of pages
  17  *
  18  */
  19
  20 extern void __flush_tlb_all(void);
  21 extern void __flush_tlb_mm(struct mm_struct *mm);
  22 extern void __flush_tlb_page(struct vm_area_struct *vma,
  23                            unsigned long addr);
  24
  25 #ifdef CONFIG_SMP
  26 extern void flush_tlb_all(void);
  27 extern void flush_tlb_mm(struct mm_struct *mm);
  28 extern void flush_tlb_page(struct vm_area_struct *vma,
  29                            unsigned long addr);
  30 #else
  31 #define flush_tlb_all __flush_tlb_all
  32 #define flush_tlb_mm __flush_tlb_mm
  33 #define flush_tlb_page __flush_tlb_page
  34 #endif
  35
  36 static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end)
  37 {
  38         flush_tlb_mm(vma->vm_mm);
  39 }
  40
  41 static inline void flush_tlb_pgtables(struct mm_struct *mm,
  42                                       unsigned long start, unsigned long end)
  43 {
  44         /* CRIS does not keep any page table caches in TLB */
  45 }
  46
  47
  48 static inline void flush_tlb(void)
  49 {
  50         flush_tlb_mm(current->mm);
  51 }
  52
  53 #define flush_tlb_kernel_range(start, end) flush_tlb_all()
  54
  55 #endif /* _CRIS_TLBFLUSH_H */