| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 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 int priority_cached; |
| 25 | }; |
| 26 | |
| 27 | typedef struct mm_context mm_context_t; |
| 28 | |
| 29 | void leave_mm(int cpu); |
| 30 | |
| 31 | #endif /* _ASM_TILE_MMU_H */ |