include/asm-mips/tlbflush.h

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