linux/include/linux/timer_types.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_TIMER_TYPES_H
#define _LINUX_TIMER_TYPES_H

#include <linux/lockdep_types.h>
#include <linux/types.h>

struct timer_list { … };

#endif /* _LINUX_TIMER_TYPES_H */