include/asm-mips/tlbflush.h

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