xref: /openbmc/linux/arch/arm64/include/asm/shmparam.h (revision e3b9f1e8)
1 /*
2  * Copyright (C) 2012 ARM Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 #ifndef __ASM_SHMPARAM_H
17 #define __ASM_SHMPARAM_H
18 
19 /*
20  * For IPC syscalls from compat tasks, we need to use the legacy 16k
21  * alignment value. Since we don't have aliasing D-caches, the rest of
22  * the time we can safely use PAGE_SIZE.
23  */
24 #define COMPAT_SHMLBA	(4 * PAGE_SIZE)
25 
26 #include <asm-generic/shmparam.h>
27 
28 #endif /* __ASM_SHMPARAM_H */
29