[linux-2.6-block.git] / arch / arm64 / include / asm / shmparam.h

/*
 * 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	(4 * PAGE_SIZE)

#include <asm-generic/shmparam.h>

#endif /* __ASM_SHMPARAM_H */
Commit	Line	Data
f668cd16 CM	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	*/
b9b7aebb	24	#define COMPAT_SHMLBA (4 * PAGE_SIZE)
f668cd16 CM	25
	26	#include <asm-generic/shmparam.h>
	27
	28	#endif /* __ASM_SHMPARAM_H */