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authorDavid S. Miller <davem@davemloft.net>2016-06-10 23:58:29 -0700
committerDavid S. Miller <davem@davemloft.net>2016-06-10 23:58:29 -0700
commite69f73bfecb0178ae6bd20eb778211739cd71fab (patch)
tree05d9f30419d6a5ef9b503487661959ef29c2fec5 /net/rxrpc/peer_event.c
parent7a04c012839eefaef9451300ed272b5a9c48821f (diff)
parent45f50bed1d808794e514e9eed0e579a8756ce2ba (diff)
download96b-common-e69f73bfecb0178ae6bd20eb778211739cd71fab.tar.gz
Merge branch 'remove-qdisc-throttle'
Eric Dumazet says: ==================== net_sched: remove qdisc_is_throttled() HTB, CBQ and HFSC pay a very high cost updating the qdisc 'throttled' status that nothing but CBQ seems to use. CBQ usage is flaky anyway, since no qdisc ->enqueue() updates the 'throttled' qdisc status. This looks like some 'optimization' that actually cost more than code without the optimization, and might cause latency issues with CBQ. In my tests, I could achieve a 8 % performance increase in TCP_RR workload through HTB qdisc, in presence of throttled classes, and 5 % without throttled classes. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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