Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
cachectl.h
Go to the documentation of this file.
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License. See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
7  */
8 #ifndef _ASM_CACHECTL
9 #define _ASM_CACHECTL
10 
11 /*
12  * Options for cacheflush system call
13  */
14 #define ICACHE (1<<0) /* flush instruction cache */
15 #define DCACHE (1<<1) /* writeback and flush data cache */
16 #define BCACHE (ICACHE|DCACHE) /* flush both caches */
17 
18 /*
19  * Caching modes for the cachectl(2) call
20  *
21  * cachectl(2) is currently not supported and returns ENOSYS.
22  */
23 #define CACHEABLE 0 /* make pages cacheable */
24 #define UNCACHEABLE 1 /* make pages uncacheable */
25 
26 #endif /* _ASM_CACHECTL */