AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/net/core
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Nicolas Dichtel 75fbfd3323 neigh: optimize neigh_parms_release() 
In neigh_parms_release() we loop over all entries to find the entry given in
argument and being able to remove it from the list. By using a double linked
list, we can avoid this loop.

Here are some numbers with 30 000 dummy interfaces configured:

Before the patch:
$ time rmmod dummy
real	2m0.118s
user	0m0.000s
sys	1m50.048s

After the patch:
$ time rmmod dummy
real	1m9.970s
user	0m0.000s
sys	0m47.976s

Suggested-by: Thierry Herbelot <thierry.herbelot@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-29 16:11:50 -04:00
..
datagram.c net: treewide: Fix typo found in DocBook/networking.xml 2014-09-05 17:35:28 -07:00
dev_addr_lists.c net: Add support for device specific address syncing 2014-06-02 10:40:54 -07:00
dev_ioctl.c dev_ioctl: remove dev_load() CAP_SYS_MODULE message 2014-09-05 12:04:40 -07:00
dev.c net: introduce napi_schedule_irqoff() 2014-10-29 16:07:27 -04:00
drop_monitor.c net: Replace get_cpu_var through this_cpu_ptr 2014-08-26 13:45:47 -04:00
dst.c ipv4: fix dst race in sk_dst_get() 2014-06-25 17:41:44 -07:00
ethtool.c ethtool: Ethtool parameter to dynamically change tx_copybreak 2014-10-06 01:04:16 -04:00
fib_rules.c net: fix 'ip rule' iif/oif device rename 2014-02-09 19:02:52 -08:00
filter.c net: filter: fix the comments 2014-10-10 15:11:51 -04:00
flow_dissector.c flow-dissector: Fix alignment issue in __skb_flow_get_ports 2014-10-10 15:33:47 -04:00
flow.c CPU hotplug notifiers registration fixes for 3.15-rc1 2014-04-07 14:55:46 -07:00
gen_estimator.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
gen_stats.c net_sched: fix unused variables in __gnet_stats_copy_basic_cpu() 2014-10-07 00:10:49 -04:00
iovec.c net: sendmsg: fix NULL pointer dereference 2014-07-29 12:20:22 -07:00
link_watch.c arch: Mass conversion of smp_mb__*() 2014-04-18 14:20:48 +02:00
Makefile dmaengine-3.17 2014-10-07 20:39:25 -04:00
neighbour.c neigh: optimize neigh_parms_release() 2014-10-29 16:11:50 -04:00
net_namespace.c netns: remove one sparse warning 2014-09-09 20:10:45 -07:00
net-procfs.c rps: selective flow shedding during softnet overflow 2013-05-20 13:48:04 -07:00
net-sysfs.c net: do not name the pointer to struct net_device net 2014-07-24 23:33:55 -07:00
net-sysfs.h net: netdev_kobject_init: annotate with __init 2014-01-05 20:27:54 -05:00
net-traces.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netclassid_cgroup.c cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes 2014-07-15 11:05:09 -04:00
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c net: Pass a "more" indication down into netdev_start_xmit() code paths. 2014-09-01 17:39:55 -07:00
netprio_cgroup.c cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes 2014-07-15 11:05:09 -04:00
pktgen.c net: pktgen: packet bursting via skb->xmit_more 2014-10-01 22:08:12 -04:00
ptp_classifier.c net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
request_sock.c inet: reduce TLB pressure for listeners 2014-06-25 16:37:24 -07:00
rtnetlink.c rtnl/do_setlink(): notify when a netdev is modified 2014-09-02 12:57:04 -07:00
scm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2013-09-07 14:35:32 -07:00
secure_seq.c net: use ktime_get_ns() and ktime_get_real_ns() helpers 2014-08-22 19:57:23 -07:00
skbuff.c net: skb_segment() should preserve backpressure 2014-10-29 14:47:19 -04:00
sock_diag.c net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
sock.c net: Trap attempts to call sock_kfree_s() with a NULL pointer. 2014-10-14 17:02:37 -04:00
stream.c net: replace macros net_random and net_srandom with direct calls to prandom 2014-01-14 15:15:25 -08:00
sysctl_net_core.c rps: NUMA flow limit allocations 2013-12-19 19:00:07 -05:00
timestamping.c net-timestamp: Make the clone operation stand-alone from phy timestamping 2014-09-05 17:43:45 -07:00
tso.c net: tso: fix unaligned access to crafted TCP header in helper API 2014-10-22 12:52:55 -04:00
utils.c net: optimise inet_proto_csum_replace4() 2014-09-26 16:14:17 -04:00