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kernel/linux-rt-4.4.41/arch/nios2/include/asm/tlbflush.h 1.56 KB
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  /*
   * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   *
   */
  
  #ifndef _ASM_NIOS2_TLBFLUSH_H
  #define _ASM_NIOS2_TLBFLUSH_H
  
  struct mm_struct;
  
  /*
   * TLB flushing:
   *
   *  - flush_tlb_all() flushes all processes TLB entries
   *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
   *  - flush_tlb_page(vma, vmaddr) flushes one page
   *  - flush_tlb_range(vma, start, end) flushes a range of pages
   *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
   */
  extern void flush_tlb_all(void);
  extern void flush_tlb_mm(struct mm_struct *mm);
  extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
  			    unsigned long end);
  extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  extern void flush_tlb_one(unsigned long vaddr);
  
  static inline void flush_tlb_page(struct vm_area_struct *vma,
  				unsigned long addr)
  {
  	flush_tlb_one(addr);
  }
  
  #endif /* _ASM_NIOS2_TLBFLUSH_H */