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| author | Eric Dumazet <edumazet@google.com> | 2016-06-13 20:21:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-15 14:08:35 -0700 |
| commit | e14ffdfdd67a9eba36bd76af0df1f2ac363ae906 (patch) | |
| tree | 93c7de586399a300028f081ae902bc0ee6ccea20 /net/sched/sch_fq.c | |
| parent | b3d7e2b29b226c986cbd4efcaf43ab3ff90e6fdb (diff) | |
| download | blackbird-obmc-linux-e14ffdfdd67a9eba36bd76af0df1f2ac363ae906.tar.gz blackbird-obmc-linux-e14ffdfdd67a9eba36bd76af0df1f2ac363ae906.zip | |
net_sched: sch_fq: defer skb freeing
Both fq_change() and fq_reset() can use rtnl_kfree_skbs()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_fq.c')
| -rw-r--r-- | net/sched/sch_fq.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index f49c81e91acd..6eb06674f778 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -514,17 +514,25 @@ out: return skb; } +static void fq_flow_purge(struct fq_flow *flow) +{ + rtnl_kfree_skbs(flow->head, flow->tail); + flow->head = NULL; + flow->qlen = 0; +} + static void fq_reset(struct Qdisc *sch) { struct fq_sched_data *q = qdisc_priv(sch); struct rb_root *root; - struct sk_buff *skb; struct rb_node *p; struct fq_flow *f; unsigned int idx; - while ((skb = fq_dequeue_head(sch, &q->internal)) != NULL) - kfree_skb(skb); + sch->q.qlen = 0; + sch->qstats.backlog = 0; + + fq_flow_purge(&q->internal); if (!q->fq_root) return; @@ -535,8 +543,7 @@ static void fq_reset(struct Qdisc *sch) f = container_of(p, struct fq_flow, fq_node); rb_erase(p, root); - while ((skb = fq_dequeue_head(sch, f)) != NULL) - kfree_skb(skb); + fq_flow_purge(f); kmem_cache_free(fq_flow_cachep, f); } @@ -737,7 +744,7 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) if (!skb) break; drop_len += qdisc_pkt_len(skb); - kfree_skb(skb); + rtnl_kfree_skbs(skb, skb); drop_count++; } qdisc_tree_reduce_backlog(sch, drop_count, drop_len); |
