LXR linux/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. */
  19struct 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
  28typedef struct mm_context mm_context_t;
  29
  30void leave_mm(int cpu);
  31
  32#endif /* _ASM_TILE_MMU_H */
  33