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net_sched: sch_codel: defer skb freeing in codel_change()

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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>
This commit is contained in:
Eric Dumazet 2016-06-13 20:21:52 -07:00 committed by David S. Miller
parent f9aed311b6
commit b3d7e2b29b
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_codel.c
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@ -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);