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Florian Westphal 43f9d23fa5 netfilter: x_tables: pack percpu counter allocations 
commit ae0ac0ed6f upstream.

instead of allocating each xt_counter individually, allocate 4k chunks
and then use these for counter allocation requests.

This should speed up rule evaluation by increasing data locality,
also speeds up ruleset loading because we reduce calls to the percpu
allocator.

As Eric points out we can't use PAGE_SIZE, page_allocator would fail on
arches with 64k page size.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-18 11:17:52 +01:00
..
netfilter netfilter: x_tables: pack percpu counter allocations 2018-03-18 11:17:52 +01:00
af_inet.c net: ping: do not abuse udp_poll() 2017-06-14 13:16:19 +02:00
ah4.c IPsec: do not ignore crypto err in ah4 input 2017-11-15 17:13:10 +01:00
arp.c ipv4: Make neigh lookup keys for loopback/point-to-point devices be INADDR_ANY 2018-01-31 12:06:14 +01:00
cipso_ipv4.c tcp/dccp: fix ireq->opt races 2017-11-18 11:11:06 +01:00
datagram.c net: Set sk_txhash from a random number 2015-07-29 22:44:04 -07:00
devinet.c ipv4: igmp: guard against silly MTU values 2018-01-02 20:33:24 +01:00
esp4.c esp4: Fix integrity verification when ESN are used 2016-12-10 19:07:26 +01:00
fib_frontend.c ipv4: Fix use-after-free when flushing FIB tables 2018-01-02 20:33:26 +01:00
fib_lookup.h ipv4: consider TOS in fib_select_default 2015-07-24 22:46:11 -07:00
fib_rules.c net: ipv6: use common fib_default_rule_pref 2015-09-09 14:19:50 -07:00
fib_semantics.c fib_semantics: Don't match route with mismatching tclassid 2018-03-11 16:19:45 +01:00
fib_trie.c net: Improve handling of failures on link and route dumps 2017-06-07 12:05:58 +02:00
fou.c net: add recursion limit to GRO 2016-11-15 07:46:38 +01:00
gre_demux.c gre: Remove support for sharing GRE protocol hook. 2015-08-10 14:03:54 -07:00
gre_offload.c net: add recursion limit to GRO 2016-11-15 07:46:38 +01:00
icmp.c Revert "ipv4/icmp: redirect messages can use the ingress daddr as source" 2015-10-14 06:01:07 -07:00
igmp.c net: igmp: add a missing rcu locking section 2018-02-16 20:09:37 +01:00
inet_connection_sock.c tcp/dccp: fix other lockdep splats accessing ireq_opt 2017-11-18 11:11:07 +01:00
inet_diag.c tcp/dccp: install syn_recv requests into ehash table 2015-10-03 04:32:41 -07:00
inet_fragment.c Revert "net: use lib/percpu_counter API for fragmentation mem accounting" 2017-09-27 11:00:11 +02:00
inet_hashtables.c tcp/dccp: fix hashdance race for passive sessions 2015-10-23 05:42:21 -07:00
inet_lro.c
inet_timewait_sock.c tcp/dccp: fix timewait races in timer handling 2015-09-21 16:32:29 -07:00
inetpeer.c net: Add helper function to compare inetpeer addresses 2015-08-28 13:32:36 -07:00
ip_forward.c net: Pass net into dst_output and remove dst_output_okfn 2015-10-08 04:26:54 -07:00
ip_fragment.c inet: frag: release spinlock before calling icmp_send() 2017-12-25 14:22:11 +01:00
ip_gre.c vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices 2016-06-24 10:18:18 -07:00
ip_input.c ipv4: Pass struct net into ip_defrag and ip_check_defrag 2015-10-12 19:44:16 -07:00
ip_options.c ipv4: coding style: comparison for inequality with NULL 2015-04-03 12:11:15 -04:00
ip_output.c net: account for current skb length when deciding about UFO 2017-08-12 19:29:09 -07:00
ip_sockglue.c netfilter: drop outermost socket lock in getsockopt() 2018-02-28 10:17:21 +01:00
ip_tunnel.c ip_tunnel: fix preempt warning in ip tunnel creation/updating 2018-02-28 10:17:22 +01:00
ip_tunnel_core.c tunnels: Remove encapsulation offloads on decap. 2016-10-31 04:13:59 -06:00
ip_vti.c vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit 2017-10-21 17:09:02 +02:00
ipcomp.c ipv4: coding style: comparison for equality with NULL 2015-04-03 12:11:15 -04:00
ipconfig.c ipv4: ipconfig: avoid unused ic_proto_used symbol 2018-02-25 11:03:47 +01:00
ipip.c ipip: only increase err_count for some certain type icmp in ipip_err 2017-11-18 11:11:06 +01:00
ipmr.c ipmr, ip6mr: fix scheduling while atomic and a deadlock with ipmr_get_route 2016-11-15 07:46:37 +01:00
Kconfig ip_tunnel: replace dst_cache with generic implementation 2018-02-28 10:17:21 +01:00
Makefile tcp: track the packet timings in RACK 2015-10-21 07:00:48 -07:00
netfilter.c netfilter: use skb_to_full_sk in ip_route_me_harder 2018-03-18 11:17:51 +01:00
ping.c ping: implement proper locking 2017-04-30 05:49:29 +02:00
proc.c net: track success and failure of TCP PMTU probing 2015-07-21 22:36:33 -07:00
protocol.c
raw.c net: ipv4: fix for a race condition in raw_sendmsg 2018-01-02 20:33:25 +01:00
route.c net: ipv4: don't allow setting net.ipv4.route.min_pmtu below 68 2018-03-11 16:19:46 +01:00
syncookies.c tcp/dccp: fix ireq->opt races 2017-11-18 11:11:06 +01:00
sysctl_net_ipv4.c ipv4: use the right lock for ping_group_range 2016-11-15 07:46:38 +01:00
tcp.c tcp: release sk_frag.page in tcp_disconnect 2018-02-16 20:09:38 +01:00
tcp_bic.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_cdg.c tcp: do not slow start when cwnd equals ssthresh 2015-07-09 14:22:52 -07:00
tcp_cong.c tcp: disallow cwnd undo when switching congestion control 2017-06-14 13:16:19 +02:00
tcp_cubic.c tcp_cubic: do not set epoch_start in the future 2015-09-17 22:35:07 -07:00
tcp_dctcp.c dctcp: avoid bogus doubling of cwnd after loss 2016-11-21 10:06:39 +01:00
tcp_diag.c tcp: ensure proper barriers in lockless contexts 2015-11-15 18:36:38 -05:00
tcp_fastopen.c tcp: initialize max window for a new fastopen socket 2017-02-04 09:45:09 +01:00
tcp_highspeed.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_htcp.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_hybla.c tcp: do not slow start when cwnd equals ssthresh 2015-07-09 14:22:52 -07:00
tcp_illinois.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_input.c tcp: correct memory barrier usage in tcp_check_space() 2017-12-09 18:42:43 +01:00
tcp_ipv4.c tcp md5sig: Use skb's saddr when replying to an incoming segment 2018-01-02 20:33:25 +01:00
tcp_lp.c tcp: fix wraparound issue in tcp_lp 2017-05-14 13:32:58 +02:00
tcp_memcontrol.c memcg: cleanup static keys decrement 2015-02-12 18:54:10 -08:00
tcp_metrics.c tcp: convert cached rtt from usec to jiffies when feeding initial rto 2016-04-20 15:41:56 +09:00
tcp_minisocks.c tcp: do not inherit fastopen_req from parent 2017-05-14 13:32:58 +02:00
tcp_offload.c tcp: reserve tcp_skb_mss() to tcp stack 2015-06-11 16:33:10 -07:00
tcp_output.c tcp: do not mangle skb->cb[] in tcp_make_synack() 2017-11-24 08:32:23 +01:00
tcp_probe.c
tcp_recovery.c tcp: use RACK to detect losses 2015-10-21 07:00:53 -07:00
tcp_scalable.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_timer.c net: tcp: close sock if net namespace is exiting 2018-01-31 12:06:14 +01:00
tcp_vegas.c tcp: fix under-evaluated ssthresh in TCP Vegas 2017-12-25 14:22:15 +01:00
tcp_vegas.h tcp: prepare CC get_info() access from getsockopt() 2015-04-29 17:10:38 -04:00
tcp_veno.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_westwood.c tcp_westwood: fix tcp_westwood_info() 2015-05-05 19:50:09 -04:00
tcp_yeah.c tcp: cwnd does not increase in TCP YeAH 2016-09-30 10:18:34 +02:00
tunnel4.c
udp.c udplite: fix partial checksum initialization 2018-03-11 16:19:46 +01:00
udp_diag.c sock_diag: specify info_size per inet protocol 2015-06-15 19:49:22 -07:00
udp_impl.h net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
udp_offload.c net: avoid skb_warn_bad_offload false positives on UFO 2017-08-12 19:29:08 -07:00
udp_tunnel.c tunnel: Clear IPCB(skb)->opt before dst_link_failure called 2016-04-20 15:41:56 +09:00
udplite.c
xfrm4_input.c netfilter: Pass net into okfn 2015-09-17 17:18:37 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c ipv4: hash net ptr into fragmentation bucket selection 2015-03-25 14:07:04 -04:00
xfrm4_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm4_policy.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-12-22 16:26:31 -05:00
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c