1. 根目录:
2. drivers
3. staging
4. android
5. ashmem.h

/*
 * include/linux/ashmem.h
 *
 * Copyright 2008 Google Inc.
 * Author: Robert Love
 *
 * This file is dual licensed.  It may be redistributed and/or modified
 * under the terms of the Apache 2.0 License OR version 2 of the GNU
 * General Public License.
 */

#ifndef _LINUX_ASHMEM_H
#define _LINUX_ASHMEM_H

#include <linux/limits.h>
#include <linux/ioctl.h>
#include <linux/compat.h>

#include "uapi/ashmem.h"

/* support of 32bit userspace on 64bit platforms */
#ifdef CONFIG_COMPAT
#define COMPAT_ASHMEM_SET_SIZE		_IOW(__ASHMEMIOC, 3, compat_size_t)
#define COMPAT_ASHMEM_SET_PROT_MASK	_IOW(__ASHMEMIOC, 5, unsigned int)
#endif

#endif	/* _LINUX_ASHMEM_H */