git.oblomov.eu Git - linux-2.6/blob - include/asm-um/tlbflush.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __UM_TLBFLUSH_H
   7 #define __UM_TLBFLUSH_H
   8
   9 #include <linux/mm.h>
  10 #include "choose-mode.h"
  11
  12 /*
  13  * TLB flushing:
  14  *
  15  *  - flush_tlb() flushes the current mm struct TLBs
  16  *  - flush_tlb_all() flushes all processes TLBs
  17  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  18  *  - flush_tlb_page(vma, vmaddr) flushes one page
  19  *  - flush_tlb_kernel_vm() flushes the kernel vm area
  20  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  21  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  22  */
  23
  24 extern void flush_tlb_all(void);
  25 extern void flush_tlb_mm(struct mm_struct *mm);
  26 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  27                             unsigned long end);
  28 extern void flush_tlb_page_skas(struct vm_area_struct *vma,
  29                                 unsigned long address);
  30
  31 static inline void flush_tlb_page(struct vm_area_struct *vma,
  32                                   unsigned long address)
  33 {
  34         address &= PAGE_MASK;
  35
  36         CHOOSE_MODE(flush_tlb_range(vma, address, address + PAGE_SIZE),
  37                     flush_tlb_page_skas(vma, address));
  38 }
  39
  40 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
  41 extern void flush_tlb_kernel_vm(void);
  42 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  43 extern void __flush_tlb_one(unsigned long addr);
  44
  45 static inline void flush_tlb_pgtables(struct mm_struct *mm,
  46                                       unsigned long start, unsigned long end)
  47 {
  48 }
  49
  50 #endif