diff options
Diffstat (limited to 'kernel/arch/arm64/include/asm/shmparam.h')
-rw-r--r-- | kernel/arch/arm64/include/asm/shmparam.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/arch/arm64/include/asm/shmparam.h b/kernel/arch/arm64/include/asm/shmparam.h new file mode 100644 index 000000000..4df608a84 --- /dev/null +++ b/kernel/arch/arm64/include/asm/shmparam.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_SHMPARAM_H +#define __ASM_SHMPARAM_H + +/* + * For IPC syscalls from compat tasks, we need to use the legacy 16k + * alignment value. Since we don't have aliasing D-caches, the rest of + * the time we can safely use PAGE_SIZE. + */ +#define COMPAT_SHMLBA 0x4000 + +#include <asm-generic/shmparam.h> + +#endif /* __ASM_SHMPARAM_H */ |