LXR linux/arch/openrisc/include/asm/tlbflush.h

   1/*
   2 * OpenRISC Linux
   3 *
   4 * Linux architectural port borrowing liberally from similar works of
   5 * others.  All original copyrights apply as per the original source
   6 * declaration.
   7 *
   8 * OpenRISC implementation:
   9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  11 * et al.
  12 *
  13 * This program is free software; you can redistribute it and/or modify
  14 * it under the terms of the GNU General Public License as published by
  15 * the Free Software Foundation; either version 2 of the License, or
  16 * (at your option) any later version.
  17 */
  18
  19#ifndef __ASM_OPENRISC_TLBFLUSH_H
  20#define __ASM_OPENRISC_TLBFLUSH_H
  21
  22#include <linux/mm.h>
  23#include <asm/processor.h>
  24#include <asm/pgtable.h>
  25#include <asm/pgalloc.h>
  26#include <asm/current.h>
  27#include <linux/sched.h>
  28
  29/*
  30 *  - flush_tlb() flushes the current mm struct TLBs
  31 *  - flush_tlb_all() flushes all processes TLBs
  32 *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  33 *  - flush_tlb_page(vma, vmaddr) flushes one page
  34 *  - flush_tlb_range(mm, start, end) flushes a range of pages
  35 */
  36
  37void flush_tlb_all(void);
  38void flush_tlb_mm(struct mm_struct *mm);
  39void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
  40void flush_tlb_range(struct vm_area_struct *vma,
  41                     unsigned long start,
  42                     unsigned long end);
  43
  44static inline void flush_tlb(void)
  45{
  46        flush_tlb_mm(current->mm);
  47}
  48
  49static inline void flush_tlb_kernel_range(unsigned long start,
  50                                          unsigned long end)
  51{
  52        flush_tlb_range(NULL, start, end);
  53}
  54
  55#endif /* __ASM_OPENRISC_TLBFLUSH_H */
  56