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761965eab38d2cbc59c36e355c59609e3a04705a
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Eric Dumazet 761965eab3 tcp: tcp_sendmsg() page recycling 
If our TCP_PAGE(sk) is not shared (page_count() == 1), we can set page
offset to 0.

This permits better filling of the pages on small to medium tcp writes.

"tbench 16" results on my dev server (2x4x2 machine) :

Before : 3072 MB/s
After  : 3146 MB/s  (2.4 % gain)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-04 13:20:40 -05:00
..
9p
net/9p: Convert net/9p protocol dumps to tracepoints
2011-10-24 11:13:12 -05:00
802
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
8021q
vlan: Move vlan_set_encap_proto() to vlan header file
2011-12-03 09:35:09 -08:00
appletalk
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
atm
atm: clip: Remove code commented out since eternity.
2011-12-02 14:27:11 -05:00
ax25
NET: AX.25: Check ioctl arguments to avoid overflows further down the road.
2011-11-29 00:23:12 -05:00
batman-adv
batman-adv: Fix range check for expected packets
2011-11-20 13:08:35 +01:00
bluetooth
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
2011-11-22 14:05:46 -05:00
bridge
ipv6: Add fragment reporting to ipv6_skip_exthdr().
2011-12-03 09:35:10 -08:00
caif
caif: Remove unused enum and parameter in cfserl
2011-11-30 23:30:48 -05:00
can
can: remove references to berlios mailinglist
2011-10-17 19:22:46 -04:00
ceph
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2011-11-21 12:11:13 -08:00
core
tcp: take care of misalignments
2011-12-04 13:20:39 -05:00
dcb
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
dccp
dccp: Fix compile warning in probe code.
2011-12-01 14:45:49 -05:00
decnet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
dns_resolver
…
dsa
dsa: Move switch drivers to new directory drivers/net/dsa
2011-11-29 00:21:36 -05:00
econet
net: Remove all uses of LL_ALLOCATED_SPACE
2011-11-18 14:37:09 -05:00
ethernet
…
ieee802154
net: Remove all uses of LL_ALLOCATED_SPACE
2011-11-18 14:37:09 -05:00
ipv4
tcp: tcp_sendmsg() page recycling
2011-12-04 13:20:40 -05:00
ipv6
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
2011-12-03 22:53:31 -05:00
ipx
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
irda
irttp: Use kmemdup rather than duplicating its implementation
2011-11-21 15:02:17 -05:00
iucv
…
key
net: remove ipv6_addr_copy()
2011-11-22 16:43:32 -05:00
l2tp
l2tp: ensure sk->dst is still valid
2011-11-26 15:57:36 -05:00
lapb
…
llc
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
netfilter
ipv6: Add fragment reporting to ipv6_skip_exthdr().
2011-12-03 09:35:10 -08:00
netlabel
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
netlink
genetlink: Add lockdep_genl_is_held().
2011-12-03 09:35:07 -08:00
netrom
NET: NETROM: Fix formatting.
2011-11-29 00:23:13 -05:00
nfc
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
2011-11-22 14:05:46 -05:00
openvswitch
net: Add Open vSwitch kernel components.
2011-12-03 09:35:17 -08:00
packet
packet: Add needed_tailroom to packet_sendmsg_spkt
2011-11-18 14:37:10 -05:00
phonet
Phonet: set the pipe handle using setsockopt
2011-11-18 14:37:40 -05:00
rds
rds: drop "select LLIST"
2011-11-14 00:10:50 -05:00
rfkill
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
2011-11-22 14:05:46 -05:00
rose
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
rxrpc
RxRPC: Use kmemdup rather than duplicating its implementation
2011-11-21 15:02:36 -05:00
sched
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
sunrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
tipc
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
unix
AF_UNIX: Fix poll blocking problem when reading from a stream socket
2011-11-26 16:34:22 -05:00
wanrouter
wanrouter: Remove kernel_lock annotations
2011-11-07 13:27:30 -05:00
wimax
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-12-02 13:49:21 -05:00
x25
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
xfrm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2011-11-26 14:47:03 -05:00
compat.c
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
Kconfig
net: Add Open vSwitch kernel components.
2011-12-03 09:35:17 -08:00
Makefile
net: Add Open vSwitch kernel components.
2011-12-03 09:35:17 -08:00
nonet.c
…
socket.c
net: add network priority cgroup infrastructure (v4)
2011-11-22 15:22:23 -05:00
sysctl_net.c
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00