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41c73a0d44
linux/net
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Eric Dumazet 41c73a0d44 net: speedup skb_splice_bits() 
Commit 35f3d14db (pipe: add support for shrinking and growing pipes)
added a slowdown for splice(socket -> pipe), as we might grow the spd
used in skb_splice_bits() for each skb we process in splice() syscall.

Its not needed since skb lengths are capped. The default on-stack arrays
are more than enough.

Use MAX_SKB_FRAGS instead of PIPE_DEF_BUFFERS to describe the reasonable
limit per skb.

Add coalescing support to help splicing of GRO skbs built from linear
skbs (linked into frag_list)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-23 23:01:35 -04:00
..
9p net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
802 net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
8021q vlan: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
appletalk net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
atm net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
ax25 net ax25: Simplify and cleanup the ax25 sysctl handling. 2012-04-20 21:22:28 -04:00
batman-adv batman-adv: skip the window protection test when the originator has no neighbours 2012-04-18 09:54:02 +02:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2012-04-09 15:47:49 -04:00
bridge net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
caif net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
can can: fix sparse warning for cgw_list 2012-04-16 21:08:18 +02:00
ceph net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
core net: speedup skb_splice_bits() 2012-04-23 23:01:35 -04:00
dcb net/dcb: Add an optional max rate attribute 2012-04-05 05:08:04 -04:00
dccp net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
decnet net decnet: Convert to use register_net_sysctl 2012-04-20 21:22:29 -04:00
dns_resolver net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
dsa dsa: Move switch drivers to new directory drivers/net/dsa 2011-11-29 00:21:36 -05:00
econet sock: Introduce named constants for sk_reuse 2012-04-21 15:52:25 -04:00
ethernet net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
ieee802154 net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
ipv4 tcp: introduce tcp_try_coalesce 2012-04-23 22:42:49 -04:00
ipv6 tcp: sk_add_backlog() is too agressive for TCP 2012-04-23 22:28:28 -04:00
ipx net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
irda net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
iucv Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2012-03-22 18:15:32 -07:00
key net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
l2tp net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
lapb Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
llc net: add a limit parameter to sk_add_backlog() 2012-04-23 22:28:28 -04:00
mac80211 mac80211: add function retrieve average rssi 2012-04-16 14:38:49 -04:00
netfilter sock: Introduce named constants for sk_reuse 2012-04-21 15:52:25 -04:00
netlabel netlabel: use GFP flags from caller instead of GFP_ATOMIC 2012-03-22 19:29:57 -04:00
netlink netlink: dont drop packet but consume it 2012-04-19 14:23:55 -04:00
netrom net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-04-18 14:27:48 -04:00
openvswitch net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
packet af_packet: packet_getsockopt() cleanup 2012-04-21 16:36:42 -04:00
phonet net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
rds sock: Introduce named constants for sk_reuse 2012-04-21 15:52:25 -04:00
rfkill device.h: cleanup users outside of linux/include (C files) 2012-03-11 14:27:37 -04:00
rose net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
rxrpc net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
sched pkt_sched: Stop using NLA_PUT*(). 2012-04-01 18:11:37 -04:00
sctp net: add a limit parameter to sk_add_backlog() 2012-04-23 22:28:28 -04:00
sunrpc sock: Introduce named constants for sk_reuse 2012-04-21 15:52:25 -04:00
tipc net: add a limit parameter to sk_add_backlog() 2012-04-23 22:28:28 -04:00
unix net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
wanrouter wanrouter: Remove kernel_lock annotations 2011-11-07 13:27:30 -05:00
wimax net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-04-18 14:27:48 -04:00
x25 net: add a limit parameter to sk_add_backlog() 2012-04-23 22:28:28 -04:00
xfrm net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
compat.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -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: change big iov allocations 2012-04-21 16:24:20 -04:00
sysctl_net.c net: Remove register_net_sysctl_table 2012-04-20 21:22:30 -04:00