Commit b3d7e2b2 authored Jun 13, 2016 by Eric Dumazet Committed by David S. Miller Jun 15, 2016

net_sched: sch_codel: defer skb freeing in codel_change()



codel_change() can use rtnl_qdisc_drop()
to defer expensive skb freeing after locks are released.

codel_reset() already has support for deferred skb freeing
because it uses qdisc_reset_queue()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f9aed311

net/sched/sch_codel.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -174,7 +174,7 @@ static int codel_change(struct Qdisc sch, struct nlattr opt)

		dropped += qdisc_pkt_len(skb);
		qdisc_qstats_backlog_dec(sch, skb);
		qdisc_drop(skb, sch);
		rtnl_qdisc_drop(skb, sch);
		}
		qdisc_tree_reduce_backlog(sch, qlen - sch->q.qlen, dropped);