554 	unsigned int			n_keys;  member
2883 			    unsigned int n_keys)  in compatible_keys()  argument
2888 	if (hist_data->n_fields - hist_data->n_vals != n_keys)  in compatible_keys()
2894 	for (n = 0; n < n_keys; n++) {  in compatible_keys()
2915 	unsigned int n_keys;  in find_compatible_hist()  local
2919 	n_keys = target_hist_data->n_fields - target_hist_data->n_vals;  in find_compatible_hist()
2925 			if (compatible_keys(target_hist_data, hist_data, n_keys))  in find_compatible_hist()
4548 	hist_data->n_keys++;  in create_key_field()
4551 	if (WARN_ON(hist_data->n_keys > TRACING_MAP_KEYS_MAX))  in create_key_field()
5362 	bool use_compound_key = (hist_data->n_keys > 1);  in event_hist_trigger()
6026 	seq_printf(m, "  n_keys: %u\n", hist_data->n_keys);  in hist_trigger_debug_show()