5618 	struct hist_file_data *hist_file = m->private;  in hist_show()  local
5625 	event_file = event_file_file(hist_file->file);  in hist_show()
5633 	hist_file->last_read = get_hist_hit_count(event_file);  in hist_show()
5638 	hist_file->last_act = hist_file->last_read;  in hist_show()
5647 	struct hist_file_data *hist_file = m->private;  in event_hist_poll()  local
5660 	if (hist_file->last_read != cnt)  in event_hist_poll()
5662 	if (hist_file->last_act != cnt) {  in event_hist_poll()
5663 		hist_file->last_act = cnt;  in event_hist_poll()
5673 	struct hist_file_data *hist_file = m->private;  in event_hist_release()  local
5675 	kfree(hist_file);  in event_hist_release()
5682 	struct hist_file_data *hist_file;  in event_hist_open()  local
5697 	hist_file = kzalloc(sizeof(*hist_file), GFP_KERNEL);  in event_hist_open()
5698 	if (!hist_file) {  in event_hist_open()
5703 	hist_file->file = file;  in event_hist_open()
5704 	hist_file->last_act = get_hist_hit_count(event_file);  in event_hist_open()
5708 	ret = single_open(file, hist_show, hist_file);  in event_hist_open()
5710 		kfree(hist_file);  in event_hist_open()