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