82 	struct cdg_minmax *gradients;  member
196 	if (ca->gradients) {  in tcp_cdg_grad()
197 		ca->gsum.min += gmin - ca->gradients[ca->tail].min;  in tcp_cdg_grad()
198 		ca->gsum.max += gmax - ca->gradients[ca->tail].max;  in tcp_cdg_grad()
199 		ca->gradients[ca->tail].min = gmin;  in tcp_cdg_grad()
200 		ca->gradients[ca->tail].max = gmax;  in tcp_cdg_grad()
216 		if (!ca->gradients && window > 1)  in tcp_cdg_grad()
349 	struct cdg_minmax *gradients;  in tcp_cdg_cwnd_event()  local
353 		gradients = ca->gradients;  in tcp_cdg_cwnd_event()
354 		if (gradients)  in tcp_cdg_cwnd_event()
355 			memset(gradients, 0, window * sizeof(gradients[0]));  in tcp_cdg_cwnd_event()
358 		ca->gradients = gradients;  in tcp_cdg_cwnd_event()
378 	ca->gradients = NULL;  in tcp_cdg_init()
381 		ca->gradients = kcalloc(window, sizeof(ca->gradients[0]),  in tcp_cdg_init()
391 	kfree(ca->gradients);  in tcp_cdg_release()
392 	ca->gradients = NULL;  in tcp_cdg_release()