release/src-rt-6.x/linux/linux-2.6/include/asm-sh/tlbflush.h

   1 #ifndef __ASM_SH_TLBFLUSH_H
   2 #define __ASM_SH_TLBFLUSH_H
   3
   4 /*
   5  * TLB flushing:
   6  *
   7  *  - flush_tlb_all() flushes all processes TLBs
   8  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
   9  *  - flush_tlb_page(vma, vmaddr) flushes one page
  10  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  11  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  12  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  13  */
  14 extern void local_flush_tlb_all(void);
  15 extern void local_flush_tlb_mm(struct mm_struct *mm);
  16 extern void local_flush_tlb_range(struct vm_area_struct *vma,
  17                                   unsigned long start,
  18                                   unsigned long end);
  19 extern void local_flush_tlb_page(struct vm_area_struct *vma,
  20                                  unsigned long page);
  21 extern void local_flush_tlb_kernel_range(unsigned long start,
  22                                          unsigned long end);
  23 extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
  24
  25 #ifdef CONFIG_SMP
  26
  27 extern void flush_tlb_all(void);
  28 extern void flush_tlb_mm(struct mm_struct *mm);
  29 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  30                             unsigned long end);
  31 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
  32 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  33 extern void flush_tlb_one(unsigned long asid, unsigned long page);
  34
  35 #else
  36
  37 #define flush_tlb_all()                 local_flush_tlb_all()
  38 #define flush_tlb_mm(mm)                local_flush_tlb_mm(mm)
  39 #define flush_tlb_page(vma, page)       local_flush_tlb_page(vma, page)
  40 #define flush_tlb_one(asid, page)       local_flush_tlb_one(asid, page)
  41
  42 #define flush_tlb_range(vma, start, end)        \
  43         local_flush_tlb_range(vma, start, end)
  44
  45 #define flush_tlb_kernel_range(start, end)      \
  46         local_flush_tlb_kernel_range(start, end)
  47
  48 #endif /* CONFIG_SMP */
  49
  50 static inline void flush_tlb_pgtables(struct mm_struct *mm,
  51                                       unsigned long start, unsigned long end)
  52 {
  53         /* Nothing to do */
  54 }
  55 #endif /* __ASM_SH_TLBFLUSH_H */