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net_sched: sch_fq: perform a prefetch() earlier 

The prefetch() done in fq_dequeue() can be done a bit earlier
after the refactoring of the code done in the prior patch.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2020-05-02 19:54:22 -07:00 committed by David S. Miller
parent c288b0ca86
commit 348e289b0f
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_fq.c
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@ -546,6 +546,7 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch)
fq_flow_set_throttled(q, f);
goto begin;
}
prefetch(&skb->end);
if ((s64)(now - time_next_packet - q->ce_threshold) > 0) {
INET_ECN_set_ce(skb);
q->stat_ce_mark++;
@ -562,7 +563,6 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch)
}
goto begin;
}
prefetch(&skb->end);
plen = qdisc_pkt_len(skb);
f->credit -= plen;