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

   1/*
   2 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   3 * Copyright (C) 2009 Wind River Systems Inc
   4 * Copyright (C) 2004 Microtronix Datacom Ltd.
   5 *
   6 * This file is subject to the terms and conditions of the GNU General Public
   7 * License. See the file "COPYING" in the main directory of this archive
   8 * for more details.
   9 */
  10
  11#ifndef _ASM_NIOS2_TLB_H
  12#define _ASM_NIOS2_TLB_H
  13
  14#define tlb_flush(tlb)  flush_tlb_mm((tlb)->mm)
  15
  16extern void set_mmu_pid(unsigned long pid);
  17
  18/*
  19 * NiosII doesn't need any special per-pte or per-vma handling, except
  20 * we need to flush cache for the area to be unmapped.
  21 */
  22#define tlb_start_vma(tlb, vma)                                 \
  23        do {                                                    \
  24                if (!tlb->fullmm)                               \
  25                        flush_cache_range(vma, vma->vm_start, vma->vm_end); \
  26        }  while (0)
  27
  28#define tlb_end_vma(tlb, vma)   do { } while (0)
  29#define __tlb_remove_tlb_entry(tlb, ptep, address)      do { } while (0)
  30
  31#include <linux/pagemap.h>
  32#include <asm-generic/tlb.h>
  33
  34#endif /* _ASM_NIOS2_TLB_H */
  35