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5c74501f76
linux/net
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Eric Dumazet 5c74501f76 ipv4: save cpu cycles from check_leaf() 
Compiler is not smart enough to avoid double BSWAP instructions in
ntohl(inet_make_mask(plen)).

Lets cache this value in struct leaf_info, (fill a hole on 64bit arches)

With route cache disabled, this saves ~2% of cpu in udpflood bench on
x86_64 machine.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-18 10:41:18 -07:00
..
9p Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2011-05-26 12:13:57 -07:00
802
8021q net: vlan, qlcnic: make vlan_find_dev private 2011-07-17 12:33:22 -07:00
appletalk appletalk: Reduce switch/case indent 2011-07-01 16:11:15 -07:00
atm net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
ax25
batman-adv netdevice: Kill 'feature' test macros. 2011-07-12 12:28:58 -07:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-07-15 10:05:24 -04:00
bridge net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
caif Remove redundant linux/version.h includes from net/ 2011-06-21 16:03:17 -07:00
can net/can: use printk_ratelimited() instead of printk_ratelimit() 2011-06-17 00:03:03 -04:00
ceph Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-14 07:56:40 -07:00
core net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
dcb dcbnl: unlock on an error path in dcbnl_cee_fill() 2011-07-08 09:01:14 -07:00
dccp dccp ccid-2: Perform congestion-window validation 2011-07-04 12:37:49 -06:00
decnet net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
dns_resolver
dsa DSA: Enable cascading in multi-chip 6131 configuration 2011-06-29 05:53:49 -07:00
econet af_econet: Use current logging styles and neatening 2011-07-03 20:05:16 -07:00
ethernet net: Push protocol type directly down to header_ops->cache() 2011-07-13 02:29:59 -07:00
ieee802154 ieee802154: free skb buffer if dev isn't running 2011-06-30 16:18:09 +04:00
ipv4 ipv4: save cpu cycles from check_leaf() 2011-07-18 10:41:18 -07:00
ipv6 net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
ipx
irda Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-06-20 22:29:08 -07:00
iucv [S390] irq: merge irq.c and s390_ext.c 2011-05-26 09:48:24 +02:00
key net: Remove casts of void * 2011-06-16 23:19:27 -04:00
l2tp Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-06-20 22:29:08 -07:00
lapb lapb: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
llc
mac80211 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-14 07:56:40 -07:00
netfilter netfilter: Reduce switch/case indent 2011-07-01 16:11:15 -07:00
netlabel net: Remove casts of void * 2011-06-16 23:19:27 -04:00
netlink Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-06-24 15:25:51 -04:00
netrom netrom: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
nfc NFC: add the NFC socket raw protocol 2011-07-05 15:26:58 -04:00
packet af-packet: fix - avoid reading stale data 2011-07-14 08:36:33 -07:00
phonet rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
rds net: rds: fix const array syntax 2011-07-01 16:16:19 -07:00
rfkill
rose rose: Delete commented out references to ancient firewalling code. 2011-07-07 02:41:59 -07:00
rxrpc
sched net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
sctp Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-14 07:56:40 -07:00
sunrpc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-14 07:56:40 -07:00
tipc tipc: Optimize creation of connection protocol messages 2011-06-24 16:18:18 -04:00
unix
wanrouter
wimax
wireless Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-14 07:56:40 -07:00
x25 x25: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
xfrm net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
compat.c
Kconfig NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
Makefile NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
nonet.c
socket.c
sysctl_net.c