LXR linux/arch/nios2/include/asm/tlbflush.h

   1/*
   2 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   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 as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 *
  17 */
  18
  19#ifndef _ASM_NIOS2_TLBFLUSH_H
  20#define _ASM_NIOS2_TLBFLUSH_H
  21
  22struct mm_struct;
  23
  24/*
  25 * TLB flushing:
  26 *
  27 *  - flush_tlb_all() flushes all processes TLB entries
  28 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
  29 *  - flush_tlb_page(vma, vmaddr) flushes one page
  30 *  - flush_tlb_range(vma, start, end) flushes a range of pages
  31 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  32 */
  33extern void flush_tlb_all(void);
  34extern void flush_tlb_mm(struct mm_struct *mm);
  35extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  36                            unsigned long end);
  37extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  38extern void flush_tlb_one(unsigned long vaddr);
  39
  40static inline void flush_tlb_page(struct vm_area_struct *vma,
  41                                unsigned long addr)
  42{
  43        flush_tlb_one(addr);
  44}
  45
  46#endif /* _ASM_NIOS2_TLBFLUSH_H */
  47