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kernel/linux-rt-4.4.41/arch/openrisc/include/asm/tlbflush.h 1.54 KB
5113f6f70   김현기   kernel add
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  /*
   * OpenRISC Linux
   *
   * Linux architectural port borrowing liberally from similar works of
   * others.  All original copyrights apply as per the original source
   * declaration.
   *
   * OpenRISC implementation:
   * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
   * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
   * et al.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef __ASM_OPENRISC_TLBFLUSH_H
  #define __ASM_OPENRISC_TLBFLUSH_H
  
  #include <linux/mm.h>
  #include <asm/processor.h>
  #include <asm/pgtable.h>
  #include <asm/pgalloc.h>
  #include <asm/current.h>
  #include <linux/sched.h>
  
  /*
   *  - flush_tlb() flushes the current mm struct TLBs
   *  - flush_tlb_all() flushes all processes TLBs
   *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
   *  - flush_tlb_page(vma, vmaddr) flushes one page
   *  - flush_tlb_range(mm, start, end) flushes a range of pages
   */
  
  void flush_tlb_all(void);
  void flush_tlb_mm(struct mm_struct *mm);
  void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
  void flush_tlb_range(struct vm_area_struct *vma,
  		     unsigned long start,
  		     unsigned long end);
  
  static inline void flush_tlb(void)
  {
  	flush_tlb_mm(current->mm);
  }
  
  static inline void flush_tlb_kernel_range(unsigned long start,
  					  unsigned long end)
  {
  	flush_tlb_range(NULL, start, end);
  }
  
  #endif /* __ASM_OPENRISC_TLBFLUSH_H */