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e870a8efcd
linux/net
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Ilpo Järvinen e870a8efcd [TCP]: Perform setting of common control fields in one place 
In case of segments which are purely for control without any
data (SYN/ACK/FIN/RST), many fields are set to common values
in multiple places.

i386 results:

$ gcc --version
gcc (GCC) 4.1.2 20070626 (Red Hat 4.1.2-13)

$ codiff tcp_output.o.old tcp_output.o.new
net/ipv4/tcp_output.c:
  tcp_xmit_probe_skb    |  -48
  tcp_send_ack          |  -56
  tcp_retransmit_skb    |  -79
  tcp_connect           |  -43
  tcp_send_active_reset |  -35
  tcp_make_synack       |  -42
  tcp_send_fin          |  -48
 7 functions changed, 351 bytes removed

net/ipv4/tcp_output.c:
  tcp_init_nondata_skb |  +90
 1 function changed, 90 bytes added

tcp_output.o.mid:
 8 functions changed, 90 bytes added, 351 bytes removed, diff: -261

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 15:00:34 -08:00
..
9p 9p: add missing end-of-options record for trans_fd 2007-11-06 08:02:53 -06:00
802 [TR]: Use ctl paths to register net/token-ring/ table 2008-01-28 14:56:28 -08:00
8021q [VLAN]: nested VLAN: fix lockdep's recursive locking warning 2008-01-10 22:38:31 -08:00
appletalk [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
atm [ATM]: [br2864] whitespace cleanup 2008-01-28 15:00:14 -08:00
ax25 [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
bluetooth [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
bridge [NETFILTER]: Add CONFIG_NETFILTER_ADVANCED option 2008-01-28 14:59:12 -08:00
can [CAN]: Add virtual CAN netdevice driver 2008-01-28 14:54:12 -08:00
core [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
dccp [INET]: Uninline the __inet_hash function. 2008-01-28 14:59:26 -08:00
decnet [NETNS]: Modify the neighbour table code so it handles multiple network namespaces 2008-01-28 15:00:03 -08:00
econet [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
ethernet [ETH]: Combine format_addr() with print_mac(). 2008-01-28 15:00:05 -08:00
ieee80211 [IEEE80211]: Use htons() where appropriate. 2008-01-28 14:58:02 -08:00
ipv4 [TCP]: Perform setting of common control fields in one place 2008-01-28 15:00:34 -08:00
ipv6 [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
ipx [IPX]: Use existing sock refcnt debugging infrastructure 2007-11-10 21:39:26 -08:00
irda [IRDA]: Use htons() where appropriate. 2008-01-28 14:58:03 -08:00
iucv [IUCV]: use LIST_HEAD instead of LIST_HEAD_INIT 2008-01-28 14:56:54 -08:00
key [AF_KEY]: Fix skb leak on pfkey_send_migrate() error 2008-01-20 20:31:45 -08:00
lapb [LAPB] net/lapb/lapb_iface.c: use LIST_HEAD instead of LIST_HEAD_INIT 2008-01-28 14:56:52 -08:00
llc [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
mac80211 net/mac80211/Kconfig: whitespace corrections 2008-01-28 14:59:55 -08:00
netfilter [NETFILTER]: Add CONFIG_NETFILTER_ADVANCED option 2008-01-28 14:59:12 -08:00
netlabel [NETLABEL]: Spelling fixes 2007-12-20 14:03:11 -08:00
netlink [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
netrom [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
packet [PACKET]: Fix /proc/net/packet crash due to bogus private pointer 2008-01-28 14:58:19 -08:00
rfkill rfkill: call rfkill_led_trigger_unregister() on error 2008-01-20 20:31:36 -08:00
rose [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
rxrpc [RXRPC]: Use cpu_to_be32() where appropriate. 2008-01-28 14:58:04 -08:00
sched [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
sctp [NET] CORE: Introducing new memory accounting interface. 2008-01-28 15:00:18 -08:00
sunrpc [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
tipc [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
unix [NET]: Add some acquires/releases sparse annotations. 2008-01-28 15:00:31 -08:00
wanrouter [NET]: Make /proc/net per network namespace 2007-10-10 16:49:06 -07:00
wireless net/wireless/Kconfig: whitespace corrections 2008-01-28 14:59:55 -08:00
x25 [X25]: use LIST_HEAD instead of LIST_HEAD_INIT 2008-01-28 14:56:53 -08:00
xfrm [IPSEC]: Return EOVERFLOW when output sequence number overflows 2008-01-28 15:00:32 -08:00
compat.c [NETFILTER]: ip6_tables: add compat support 2008-01-28 14:58:36 -08:00
Kconfig [NETFILTER]: Add CONFIG_NETFILTER_ADVANCED option 2008-01-28 14:59:12 -08:00
Makefile [CAN]: Add PF_CAN core module 2008-01-28 14:54:10 -08:00
nonet.c
socket.c [NET] sysctl: make sysctl_somaxconn per-namespace 2008-01-28 14:56:57 -08:00
sysctl_net.c [NET]: Remove the empty net_table 2008-01-28 14:56:29 -08:00
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