include/asm-avr32/tlbflush.h

   1 /*
   2  * Copyright (C) 2004-2006 Atmel Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 #ifndef __ASM_AVR32_TLBFLUSH_H
   9 #define __ASM_AVR32_TLBFLUSH_H
  10
  11 #include <asm/mmu.h>
  12
  13 /*
  14  * TLB flushing:
  15  *
  16  *  - flush_tlb() flushes the current mm struct TLBs
  17  *  - flush_tlb_all() flushes all processes' TLB entries
  18  *  - flush_tlb_mm(mm) flushes the specified mm context TLBs
  19  *  - flush_tlb_page(vma, vmaddr) flushes one page
  20  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  21  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  22  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  23  */
  24 extern void flush_tlb(void);
  25 extern void flush_tlb_all(void);
  26 extern void flush_tlb_mm(struct mm_struct *mm);
  27 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  28                             unsigned long end);
  29 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
  30 extern void __flush_tlb_page(unsigned long asid, unsigned long page);
  31
  32 static inline void flush_tlb_pgtables(struct mm_struct *mm,
  33                                       unsigned long start, unsigned long end)
  34 {
  35         /* Nothing to do */
  36 }
  37
  38 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  39
  40 #endif /* __ASM_AVR32_TLBFLUSH_H */