arch/tile/include/asm/mmu.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 #ifndef _ASM_TILE_MMU_H
  16 #define _ASM_TILE_MMU_H
  17
  18 /* Capture any arch- and mm-specific information. */
  19 struct mm_context {
  20         /*
  21          * Written under the mmap_sem semaphore; read without the
  22          * semaphore but atomically, but it is conservatively set.
  23          */
  24         unsigned long priority_cached;
  25         unsigned long vdso_base;
  26 };
  27
  28 typedef struct mm_context mm_context_t;
  29
  30 void leave_mm(int cpu);
  31
  32 #endif /* _ASM_TILE_MMU_H */