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linux-stable/net
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Eric Dumazet e989707135 igmp: hash a hash table to speedup ip_check_mc_rcu() 
After IP route cache removal, multicast applications using
a lot of multicast addresses hit a O(N) behavior in ip_check_mc_rcu()

Add a per in_device hash table to get faster lookup.

This hash table is created only if the number of items in mc_list is
above 4.

Reported-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-12 00:25:23 -07:00
..
9p
Lots of virtio work which wasn't quite ready for last merge window. Plus
2013-05-02 14:14:04 -07:00
802
net/802/mrp: fix lockdep splat
2013-05-14 13:02:30 -07:00
8021q
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
appletalk
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
atm
net: always pass struct netdev_notifier_info to netdevice notifiers
2013-05-28 21:58:54 -07:00
ax25
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
batman-adv
batman-adv: Start new development cycle
2013-05-29 02:44:56 +02:00
bluetooth
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
bridge
bridge: Add a flag to control unicast packet flood.
2013-06-11 02:04:32 -07:00
caif
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
can
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
ceph
libceph: init sent and completed when starting
2013-05-13 12:52:23 -05:00
core
net_sched: add 64bit rate estimators
2013-06-11 02:51:03 -07:00
dcb
rtnetlink: Remove passing of attributes into rtnl_doit functions
2013-03-22 10:31:16 -04:00
dccp
tcp: Remove TCPCT
2013-03-17 14:35:13 -04:00
decnet
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
dns_resolver
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2012-12-16 15:40:50 -08:00
dsa
dsa: fix freeing of sparse port allocation
2013-03-25 12:23:41 -04:00
ethernet
net: add ETH_P_802_3_MIN
2013-03-28 01:20:42 -04:00
ieee802154
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
ipv4
igmp: hash a hash table to speedup ip_check_mc_rcu()
2013-06-12 00:25:23 -07:00
ipv6
tcp: add low latency socket poll support.
2013-06-10 21:22:36 -07:00
ipx
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
irda
net: irda: using kzalloc() instead of kmalloc() to avoid strncpy() issue.
2013-05-19 15:10:47 -07:00
iucv
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
key
xfrm: force a garbage collection after deleting a policy
2013-05-31 17:30:07 -07:00
l2tp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-07 18:37:01 -04:00
lapb
net/lapb: remove depends on CONFIG_EXPERIMENTAL
2013-01-11 11:40:01 -08:00
llc
llc: Fix missing msg_namelen update in llc_ui_recvmsg()
2013-04-07 16:28:01 -04:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-06-05 16:37:30 -07:00
mac802154
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-30 03:55:20 -04:00
mpls
MPLS: Add limited GSO support
2013-05-27 22:50:59 -07:00
netfilter
net_sched: add 64bit rate estimators
2013-06-11 02:51:03 -07:00
netlabel
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
netlink
netlink: Add compare function for netlink_table
2013-06-11 02:39:42 -07:00
netrom
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
nfc
NFC: Remove commented out LLCP related Makefile line
2013-05-21 10:47:41 +02:00
openvswitch
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
packet
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
phonet
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
rds
net/rds: zero last byte for strncpy
2013-03-08 00:35:44 -05:00
rfkill
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-04-22 14:58:14 -04:00
rose
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
rxrpc
Driver core patches for 3.9-rc1
2013-02-21 12:05:51 -08:00
sched
net_sched: htb: do not setup default rate estimators
2013-06-12 00:14:21 -07:00
sctp
sctp: Correct byte order of access to skb->{network, transport}_header
2013-05-31 01:41:36 -07:00
sunrpc
Merge branch 'for-3.10' of git://linux-nfs.org/~bfields/linux
2013-05-31 09:48:56 +09:00
tipc
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
unix
af_unix: fix a fatal race with bit fields
2013-05-01 15:13:49 -04:00
vmw_vsock
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-30 03:55:20 -04:00
wimax
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-06-05 16:37:30 -07:00
x25
net: pass info struct via netdevice notifier
2013-05-28 13:11:01 -07:00
xfrm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-06-05 16:37:30 -07:00
compat.c
net: Unbreak compat_sys_{send,recv}msg
2013-06-06 11:52:14 -07:00
Kconfig
net: add low latency socket poll
2013-06-10 21:22:35 -07:00
Makefile
MPLS: Add limited GSO support
2013-05-27 22:50:59 -07:00
nonet.c
…
socket.c
net: add low latency socket poll
2013-06-10 21:22:35 -07:00
sysctl_net.c
user_ns: get rid of duplicate code in net_ctl_permissions
2012-11-18 20:32:45 -05:00