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net: minor optimization in qdisc_qstats_cpu_drop()

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per_cpu_inc() is faster (at least on x86) than per_cpu_ptr(xxx)++;

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-08-24 10:23:34 -07:00 committed by David S. Miller
parent 72145a68e4
commit eb60a8ddf3
1 changed files with 1 additions and 1 deletions
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include/net/sch_generic.h
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@ -592,7 +592,7 @@ static inline void qdisc_qstats_drop(struct Qdisc *sch)
static inline void qdisc_qstats_cpu_drop(struct Qdisc *sch)
{
qstats_drop_inc(this_cpu_ptr(sch->cpu_qstats));
this_cpu_inc(sch->cpu_qstats->drops);
}
static inline void qdisc_qstats_overlimit(struct Qdisc *sch)