root/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 {
        /*
         * All fields that change during normal runtime grouped to the
         * same cacheline
         */
        struct hlist_node       entry;
        unsigned long           expires;
        void                    (*function)(struct timer_list *);
        u32                     flags;

#ifdef CONFIG_LOCKDEP
        struct lockdep_map      lockdep_map;
#endif
};

#endif /* _LINUX_TIMER_TYPES_H */