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
  37 void flush_tlb_all(void);
  38 void flush_tlb_mm(struct mm_struct *mm);
  39 void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
  40 void flush_tlb_range(struct vm_area_struct *vma,
  41                      unsigned long start,
  42                      unsigned long end);
  43
  44 static inline void flush_tlb(void)
  45 {
  46         flush_tlb_mm(current->mm);
  47 }
  48
  49 static 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 */