From: Gao Feng <gfree.w...@vip.163.com> The commit 520ac30f4551 ("net_sched: drop packets after root qdisc lock is released) made a big change of tc for performance. There are two points left in sch_prio and sch_qfq which are not changed with that commit. Now enhance them now with __qdisc_drop.
Signed-off-by: Gao Feng <gfree.w...@vip.163.com> --- net/sched/sch_prio.c | 2 +- net/sched/sch_qfq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index f31b28f..2dd6c68 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -80,7 +80,7 @@ struct prio_sched_data { if (ret & __NET_XMIT_BYPASS) qdisc_qstats_drop(sch); - kfree_skb(skb); + __qdisc_drop(skb, to_free); return ret; } #endif diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index cd661a7..6ddfd49 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -1215,7 +1215,7 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (cl == NULL) { if (err & __NET_XMIT_BYPASS) qdisc_qstats_drop(sch); - kfree_skb(skb); + __qdisc_drop(skb, to_free); return err; } pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid); -- 1.9.1