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452f299da3
linux/net/sched
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Thomas Graf 452f299da3 [PKT_SCHED]: Reduce branch mispredictions in pfifo_fast_dequeue 
The current call to __qdisc_dequeue_head leads to a branch
misprediction for every loop iteration, the fact that the
most common priority is 2 makes this even worse.  This issue
has been brought up by Eric Dumazet <dada1@cosmosbay.com>
but unlike his solution which was to manually unroll the loop,
this approach preserves the possibility to increase the number
of bands at compile time. 

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-18 13:30:53 -07:00
..
act_api.c [NETLINK]: Missing initializations in dumped data 2005-06-28 12:55:30 -07:00
cls_api.c [NETLINK]: Missing initializations in dumped data 2005-06-28 12:55:30 -07:00
cls_basic.c [PKT_SCHED]: Dump classification result for basic classifier 2005-06-08 15:11:02 -07:00
cls_fw.c [PKT_SCHED]: improve hashing performance of cls_fw 2005-04-24 20:19:54 -07:00
cls_route.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cls_rsvp6.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cls_rsvp.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cls_rsvp.h [NETLINK]: Missing padding fields in dumped structures 2005-06-28 12:56:45 -07:00
cls_tcindex.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cls_u32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
em_cmp.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
em_meta.c [NET]: Remove unused security member in sk_buff 2005-07-05 14:12:44 -07:00
em_nbyte.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
em_text.c [PKT_SCHED]: Remove debugging leftover from textsearch ematch 2005-07-18 13:29:49 -07:00
em_u32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ematch.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
estimator.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
gact.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipt.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig [NET]: move config options out to individual protocols 2005-07-11 21:13:56 -07:00
Makefile [PKT_SCHED]: Blackhole queueing discipline 2005-07-05 15:29:16 -07:00
mirred.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pedit.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
police.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_api.c [PKT_SCHED]: Report rate estimator configuration errors during qdisc allocation 2005-07-05 14:15:53 -07:00
sch_atm.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_blackhole.c [PKT_SCHED]: Blackhole queueing discipline 2005-07-05 15:29:16 -07:00
sch_cbq.c [NETLINK]: Missing padding fields in dumped structures 2005-06-28 12:56:45 -07:00
sch_dsmark.c [PKT_SCHED]: Logic simplifications and codingstyle/whitespace cleanups 2005-06-18 22:53:29 -07:00
sch_fifo.c [PKT_SCHED]: Cleanup fifo qdisc and remove unnecessary code 2005-06-18 22:58:00 -07:00
sch_generic.c [PKT_SCHED]: Reduce branch mispredictions in pfifo_fast_dequeue 2005-07-18 13:30:53 -07:00
sch_gred.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_hfsc.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_htb.c [PKT_SCHED]: HTB: Drop packet when direct queue is full 2005-05-03 14:39:33 -07:00
sch_ingress.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_netem.c [PKT_SCHED] netem: allow random reordering (with fix) 2005-05-26 12:55:48 -07:00
sch_prio.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_red.c [NET]: Transform skb_queue_len() binary tests into skb_queue_empty() 2005-07-08 14:57:23 -07:00
sch_sfq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_tbf.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sch_teql.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
simple.c [PKT_SCHED]: Eliminate unnecessary includes in simple.c 2005-04-25 12:15:01 -07:00