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

..

netfilter

net: dont call jump_label_dec from irq context

2011-11-29 00:26:25 -05:00

af_inet.c

net: introduce and use netdev_features_t for device features sets

2011-11-16 17:43:10 -05:00

ah4.c

ah: Don't return NET_XMIT_DROP on input.

2011-11-12 18:13:32 -05:00

arp.c

atm: clip: Use device neigh support on top of "arp_tbl".

2011-11-30 18:51:03 -05:00

cipso_ipv4.c

cipso: remove an unneeded NULL check in cipso_v4_doi_add()

2011-10-11 18:43:53 -04:00

datagram.c

ipv4: Lock socket and use cork flow in ip4_datagram_connect().

2011-05-08 13:48:57 -07:00

devinet.c

ipv4: flush route cache after change accept_local

2011-12-01 21:46:12 -05:00

esp4.c

inet: constify ip headers and in6_addr

2011-04-22 11:04:14 -07:00

fib_frontend.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

fib_lookup.h

ipv4: Fix nexthop caching wrt. scoping.

2011-03-24 18:06:47 -07:00

fib_rules.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

fib_semantics.c

ipv4: Fix fib_info->fib_metrics leak

2011-09-16 17:42:26 -04:00

fib_trie.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

gre.c

rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER

2011-08-02 04:29:23 -07:00

icmp.c

net: more accurate skb truesize

2011-10-13 16:05:07 -04:00

igmp.c

ipv4 : igmp : Delete useless parameter in ip_mc_add1_src()

2011-11-30 23:10:01 -05:00

inet_connection_sock.c

net: rename sk_clone to sk_clone_lock

2011-11-08 17:07:07 -05:00

inet_diag.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2011-11-26 14:47:03 -05:00

inet_fragment.c

net/ipv4: EXPORT_SYMBOL cleanups

2010-07-12 12:57:54 -07:00

inet_hashtables.c

net: Compute protocol sequence numbers and fragment IDs using MD5.

2011-08-06 18:33:19 -07:00

inet_lro.c

net: add skb frag size accessors

2011-10-19 03:10:46 -04:00

inet_timewait_sock.c

net: Fix files explicitly needing to include module.h

2011-10-31 19:30:28 -04:00

inetpeer.c

net: Compute protocol sequence numbers and fragment IDs using MD5.

2011-08-06 18:33:19 -07:00

ip_forward.c

ipv4: Save nexthop address of LSRR/SSRR option to IPCB.

2011-11-23 19:19:32 -05:00

ip_fragment.c

net: add skb frag size accessors

2011-10-19 03:10:46 -04:00

ip_gre.c

ip_gre: Set needed_headroom dynamically again

2011-11-18 14:37:10 -05:00

ip_input.c

ip: introduce ip_is_fragment helper inline function

2011-06-21 20:33:34 -07:00

ip_options.c

ipv4: Save nexthop address of LSRR/SSRR option to IPCB.

2011-11-23 19:19:32 -05:00

ip_output.c

ipv4: use a 64bit load/store in output path

2011-12-01 13:28:54 -05:00

ip_sockglue.c

ipv4: PKTINFO doesnt need dst reference

2011-11-09 16:36:27 -05:00

ipcomp.c

inet: constify ip headers and in6_addr

2011-04-22 11:04:14 -07:00

ipconfig.c

ipv4: Remove all uses of LL_ALLOCATED_SPACE

2011-11-18 14:37:08 -05:00

ipip.c

net: better pcpu data alignment

2011-11-08 15:10:59 -05:00

ipmr.c

ipv4: remove useless codes in ipmr_device_event()

2011-11-29 18:32:33 -05:00

Kconfig

ipv4: Remove fib_hash.

2011-02-01 15:35:25 -08:00

Makefile

net: ipv4: add IPPROTO_ICMP socket kind

2011-05-13 16:08:13 -04:00

netfilter.c

netfilter: possible unaligned packet header in ip_route_me_harder

2011-11-21 18:46:18 +01:00

ping.c

ping: dont increment ICMP_MIB_INERRORS

2011-11-18 14:38:59 -05:00

proc.c

ipv4: reduce percpu needs for icmpmsg mibs

2011-11-09 16:04:20 -05:00

protocol.c

net: add __rcu annotations to protocol

2010-10-27 11:37:31 -07:00

raw.c

ipv4: Remove all uses of LL_ALLOCATED_SPACE

2011-11-18 14:37:08 -05:00

route.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2011-12-02 13:49:21 -05:00

syncookies.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

sysctl_net_ipv4.c

inetpeer: remove unused list

2011-06-08 17:05:30 -07:00

tcp_bic.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_cong.c

tcp: do not scale TSO segment size with reordering degree

2011-11-29 00:29:41 -05:00

tcp_cubic.c

tcp_cubic: limit delayed_ack ratio to prevent divide error

2011-05-08 15:51:57 -07:00

tcp_diag.c

tcp: diag: Dont report negative values for rx queue

2009-12-03 16:06:13 -08:00

tcp_highspeed.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_htcp.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_hybla.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_illinois.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_input.c

tcp: drop SYN+FIN messages

2011-12-04 01:25:19 -05:00

tcp_ipv4.c

tcp: inherit listener congestion control for passive cnx

2011-11-30 16:55:26 -05:00

tcp_lp.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

tcp_minisocks.c

tcp: inherit listener congestion control for passive cnx

2011-11-30 16:55:26 -05:00

tcp_output.c

tcp: take care of misalignments

2011-12-04 13:20:39 -05:00

tcp_probe.c

net: ipv4: tcp_probe: cleanup snprintf() use

2010-11-17 12:27:46 -08:00

tcp_scalable.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_timer.c

TCP: remove TCP_DEBUG

2011-10-24 17:36:08 -04:00

tcp_vegas.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_vegas.h

[TCP]: congestion control API pass RTT in microseconds

2007-07-31 02:27:57 -07:00

tcp_veno.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_westwood.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_yeah.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

tcp.c

tcp: tcp_sendmsg() page recycling

2011-12-04 13:20:40 -05:00

tunnel4.c

tunnels: add __rcu annotations

2010-10-27 11:37:32 -07:00

udp_impl.h

net: Make setsockopt() optlen be unsigned.

2009-09-30 16:12:20 -07:00

udp.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2011-12-02 13:49:21 -05:00

udplite.c

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

xfrm4_input.c

net/ipv4: EXPORT_SYMBOL cleanups

2010-07-12 12:57:54 -07:00

xfrm4_mode_beet.c

ipsec: Interfamily IPSec BEET

2008-08-06 02:39:30 -07:00

xfrm4_mode_transport.c

[IPSEC]: Use IPv6 calling convention as the convention for x->mode->output

2007-10-10 16:55:54 -07:00

xfrm4_mode_tunnel.c

ipv4: Don't pre-seed hoplimit metric.

2010-12-12 22:08:17 -08:00

xfrm4_output.c

xfrm4: Don't call icmp_send on local error

2011-07-01 17:33:19 -07:00

xfrm4_policy.c

ipv4: fix ipsec forward performance regression

2011-10-24 03:01:22 -04:00

xfrm4_state.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

xfrm4_tunnel.c

net: struct xfrm_tunnel in read_mostly section

2010-08-30 13:50:45 -07:00