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Antoine Tenart 973ddaffd2 netfilter: conntrack: revisit the gc initial rescheduling bias 
[ Upstream commit 2aa1927570 ]

The previous commit changed the way the rescheduling delay is computed
which has a side effect: the bias is now represented as much as the
other entries in the rescheduling delay which makes the logic to kick in
only with very large sets, as the initial interval is very large
(INT_MAX).

Revisit the GC initial bias to allow more frequent GC for smaller sets
while still avoiding wakeups when a machine is mostly idle. We're moving
from a large initial value to pretending we have 100 entries expiring at
the upper bound. This way only a few entries having a small timeout
won't impact much the rescheduling delay and non-idle machines will have
enough entries to lower the delay when needed. This also improves
readability as the initial bias is now linked to what is computed
instead of being an arbitrary large value.

Fixes: 2cfadb761d ("netfilter: conntrack: revisit gc autotuning")
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-10-24 09:57:11 +02:00
..
ipset netfilter: ipset: Fix oversized kvmalloc() calls 2021-09-14 00:50:01 +02:00
ipvs net: Fix data-races around sysctl_[rw]mem_(max|default). 2022-08-31 17:18:08 +02:00
Kconfig netfilter: conntrack: NF_CONNTRACK_PROCFS should no longer default to y 2022-09-05 10:31:34 +02:00
Makefile net/netfilter: Add unstable CT lookup helpers for XDP and TC-BPF 2022-01-18 14:26:42 -08:00
core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf 2022-03-28 08:57:10 -07:00
nf_conncount.c netfilter: nf_conncount: reduce unnecessary GC 2022-05-16 13:05:40 +02:00
nf_conntrack_acct.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_amanda.c
…
nf_conntrack_bpf.c net: netfilter: Reports ct direction in CT lookup helpers for XDP and TC-BPF 2022-04-06 09:58:30 -07:00
nf_conntrack_broadcast.c
…
nf_conntrack_core.c netfilter: conntrack: revisit the gc initial rescheduling bias 2022-10-24 09:57:11 +02:00
nf_conntrack_ecache.c netfilter: conntrack: add nf_conntrack_events autodetect mode 2022-05-13 18:56:28 +02:00
nf_conntrack_expect.c netfilter: conntrack: convert to refcount_t api 2022-01-09 23:30:13 +01:00
nf_conntrack_extend.c netfilter: extensions: introduce extension genid count 2022-05-13 18:52:16 +02:00
nf_conntrack_ftp.c netfilter: nf_ct_ftp: fix deadlock when nat rewrite is needed 2022-09-28 11:32:18 +02:00
nf_conntrack_h323_asn1.c netfilter: Use fallthrough pseudo-keyword 2020-07-22 01:18:05 +02:00
nf_conntrack_h323_main.c netfilter: nf_ct_h323: cap packet size at 64k 2022-08-25 11:45:30 +02:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: conntrack: remove __nf_ct_unconfirmed_destroy 2022-05-13 18:52:17 +02:00
nf_conntrack_irc.c netfilter: nf_conntrack_irc: Tighten matching on DCC message 2022-09-28 11:32:11 +02:00
nf_conntrack_labels.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_netbios_ns.c netfilter: nf_conntrack_netbios_ns: fix helper module alias 2022-01-11 10:41:44 +01:00
nf_conntrack_netlink.c netfilter: conntrack: fix crash due to confirmed bit load reordering 2022-07-07 20:55:18 +02:00
nf_conntrack_pptp.c netfilter: conntrack: pptp: use single option structure 2022-02-04 06:30:28 +01:00
nf_conntrack_proto.c netfilter: conntrack: add nf_ct_iter_data object for nf_ct_iterate_cleanup*() 2022-05-13 18:56:27 +02:00
nf_conntrack_proto_dccp.c netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_proto_generic.c
…
nf_conntrack_proto_gre.c netfilter: conntrack: nf_ct_gre_keymap_flush() removal 2021-07-02 02:07:01 +02:00
nf_conntrack_proto_icmp.c netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_proto_icmpv6.c netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_proto_sctp.c netfilter: conntrack: don't refresh sctp entries in closed state 2022-02-04 05:38:15 +01:00
nf_conntrack_proto_tcp.c netfilter: conntrack: work around exceeded receive window 2022-09-15 10:47:08 +02:00
nf_conntrack_proto_udp.c Revert "netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY" 2022-03-03 13:35:22 +01:00
nf_conntrack_sane.c netfilter: nf_ct_sane: remove pseudo skb linearization 2022-08-25 11:45:30 +02:00
nf_conntrack_seqadj.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_sip.c netfilter: nf_conntrack_sip: fix ct_sip_walk_headers 2022-09-28 11:32:11 +02:00
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c netfilter: conntrack: fix crash due to confirmed bit load reordering 2022-07-07 20:55:18 +02:00
nf_conntrack_tftp.c
…
nf_conntrack_timeout.c netfilter: conntrack: add nf_ct_iter_data object for nf_ct_iterate_cleanup*() 2022-05-13 18:56:27 +02:00
nf_conntrack_timestamp.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_dup_netdev.c netfilter: nf_dup_netdev: add and use recursion counter 2022-06-21 10:50:41 +02:00
nf_flow_table_core.c netfilter: flowtable: fix stuck flows on cleanup due to pending work 2022-08-31 17:18:07 +02:00
nf_flow_table_inet.c netfilter: flowtable: Fix QinQ and pppoe support for inet table 2022-03-16 11:25:04 +01:00
nf_flow_table_ip.c netfilter: flowtable: move dst_check to packet path 2022-05-18 17:34:26 +02:00
nf_flow_table_offload.c netfilter: flowtable: fix stuck flows on cleanup due to pending work 2022-08-31 17:18:07 +02:00
nf_hooks_lwtunnel.c netfilter: add netfilter hooks to SRv6 data plane 2021-08-30 01:51:36 +02:00
nf_internals.h
…
nf_log.c netfilter: nft_log: perform module load from nf_tables 2021-03-31 22:34:11 +02:00
nf_log_syslog.c netfilter: nf_log: incorrect offset to network header 2022-07-09 09:55:43 +02:00
nf_nat_amanda.c
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nf_nat_core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-17 13:56:58 -07:00
nf_nat_ftp.c
…
nf_nat_helper.c
…
nf_nat_irc.c
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nf_nat_masquerade.c netfilter: conntrack: add nf_ct_iter_data object for nf_ct_iterate_cleanup*() 2022-05-13 18:56:27 +02:00
nf_nat_proto.c netfilter: nat: move nf_xfrm_me_harder to where it is used 2021-04-26 03:20:07 +02:00
nf_nat_redirect.c
…
nf_nat_sip.c
…
nf_nat_tftp.c
…
nf_queue.c netfilter: nf_queue: handle socket prefetch 2022-03-01 11:51:15 +01:00
nf_sockopt.c netfilter: switch nf_setsockopt to sockptr_t 2020-07-24 15:41:54 -07:00
nf_synproxy_core.c ip: Fix data-races around sysctl_ip_default_ttl. 2022-07-15 11:49:55 +01:00
nf_tables_api.c netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() 2022-09-28 11:32:18 +02:00
nf_tables_core.c netfilter: nf_tables: fix crash when nf_trace is enabled 2022-08-25 11:45:12 +02:00
nf_tables_offload.c netfilter: nf_tables: bail out early if hardware offload is not supported 2022-06-06 19:19:15 +02:00
nf_tables_trace.c netfilter: nf_tables: avoid skb access on nf_stolen 2022-06-27 19:22:54 +02:00
nfnetlink.c netfilter: nfnetlink: re-enable conntrack expectation events 2022-08-25 11:45:30 +02:00
nfnetlink_acct.c netfilter: use nfnetlink_unicast() 2021-05-29 01:04:53 +02:00
nfnetlink_cthelper.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2021-06-07 13:01:52 -07:00
nfnetlink_cttimeout.c netfilter: cttimeout: fix slab-out-of-bounds read typo in cttimeout_net_exit 2022-06-17 23:31:20 +02:00
nfnetlink_hook.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
nfnetlink_log.c net: Get rcv tstamp if needed in nfnetlink_{log, queue}.c 2022-03-03 14:38:48 +00:00
nfnetlink_osf.c netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() 2022-09-28 11:32:11 +02:00
nfnetlink_queue.c netfilter: nf_queue: do not allow packet truncation below transport header offset 2022-07-26 21:12:42 +02:00
nft_bitwise.c netfilter: nf_tables: upfront validation of data via nft_data_init() 2022-08-17 15:13:59 +02:00
nft_byteorder.c netfilter: nf_tables: cancel tracking for clobbered destination registers 2022-03-20 00:29:46 +01:00
nft_chain_filter.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-10-22 11:41:16 +01:00
nft_chain_nat.c netfilter: nf_tables: remove unused arg in nft_set_pktinfo_unspec() 2021-05-29 01:04:54 +02:00
nft_chain_route.c netfilter: nf_tables: remove unused arg in nft_set_pktinfo_unspec() 2021-05-29 01:04:54 +02:00
nft_cmp.c netfilter: nf_tables: upfront validation of data via nft_data_init() 2022-08-17 15:13:59 +02:00
nft_compat.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_connlimit.c netfilter: nf_tables: memcg accounting for dynamically allocated objects 2022-04-05 11:55:46 +02:00
nft_counter.c netfilter: nf_tables: memcg accounting for dynamically allocated objects 2022-04-05 11:55:46 +02:00
nft_ct.c netfilter: nft_ct: track register operations 2022-03-20 00:29:46 +01:00
nft_dup_netdev.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_dynset.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_exthdr.c netfilter: nft_exthdr: add reduce support 2022-03-20 00:29:47 +01:00
nft_fib.c netfilter: nft_fib: reverse path filter for policy-based routing on iif 2022-04-11 12:10:09 +02:00
nft_fib_inet.c netfilter: nft_fib: add reduce support 2022-03-20 00:29:47 +01:00
nft_fib_netdev.c netfilter: nft_fib: add reduce support 2022-03-20 00:29:47 +01:00
nft_flow_offload.c netfilter: flowtable: fix nft_flow_route source address for nat case 2022-05-31 23:32:53 +02:00
nft_fwd_netdev.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_hash.c netfilter: nft_hash: track register operations 2022-03-20 00:29:47 +01:00
nft_immediate.c netfilter: nf_tables: upfront validation of data via nft_data_init() 2022-08-17 15:13:59 +02:00
nft_last.c netfilter: nf_tables: memcg accounting for dynamically allocated objects 2022-04-05 11:55:46 +02:00
nft_limit.c netfilter: nft_limit: Clone packet limits' cost value 2022-05-26 22:50:34 +02:00
nft_log.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_lookup.c netfilter: nft_lookup: only cancel tracking for clobbered dregs 2022-03-20 00:29:46 +01:00
nft_masq.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_meta.c netfilter: use get_random_u32 instead of prandom 2022-06-08 12:30:59 +02:00
nft_nat.c netfilter: nat: really support inet nat without l3 address 2022-06-01 15:53:39 +02:00
nft_numgen.c netfilter: use get_random_u32 instead of prandom 2022-06-08 12:30:59 +02:00
nft_objref.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_osf.c netfilter: nft_osf: restrict osf to ipv4, ipv6 and inet families 2022-08-31 17:18:07 +02:00
nft_payload.c netfilter: nft_payload: do not truncate csum_offset and csum_type 2022-08-31 17:18:07 +02:00
nft_queue.c netfilter: nft_queue: only allow supported familes and hooks 2022-07-26 21:12:42 +02:00
nft_quota.c netfilter: nf_tables: memcg accounting for dynamically allocated objects 2022-04-05 11:55:46 +02:00
nft_range.c netfilter: nf_tables: upfront validation of data via nft_data_init() 2022-08-17 15:13:59 +02:00
nft_redir.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_reject.c netfilter: nft_reject: unify reject init and dump into nft_reject 2020-10-31 10:40:42 +01:00
nft_reject_inet.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_reject_netdev.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_rt.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_set_bitmap.c netfilter: nf_tables: prefer direct calls for set lookups 2021-05-29 01:04:27 +02:00
nft_set_hash.c netfilter: nft_dynset: restore set element counter when failing to update 2022-06-27 19:03:37 +02:00
nft_set_pipapo.c netfilter: nft_set_pipapo: release elements in clone from abort path 2022-07-02 21:04:19 +02:00
nft_set_pipapo.h netfilter: nf_tables: prefer direct calls for set lookups 2021-05-29 01:04:27 +02:00
nft_set_pipapo_avx2.c netfilter: nft_set_pipapo_avx2: remove redundant pointer lt 2021-12-24 16:58:17 +01:00
nft_set_pipapo_avx2.h netfilter: nf_tables: prefer direct calls for set lookups 2021-05-29 01:04:27 +02:00
nft_set_rbtree.c netfilter: nft_set_rbtree: overlap detection with element re-addition after deletion 2022-04-22 15:49:15 +02:00
nft_socket.c netfilter: nft_socket: only do sk lookups when indev is available 2022-04-28 16:15:23 +02:00
nft_synproxy.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_tproxy.c netfilter: nft_tproxy: restrict to prerouting hook 2022-08-31 17:18:05 +02:00
nft_tunnel.c netfilter: nft_tunnel: restrict it to netdev family 2022-08-31 17:18:07 +02:00
nft_xfrm.c netfilter: nft_xfrm: track register operations 2022-03-20 00:29:47 +01:00
utils.c netfilter: use actual socket sk rather than skb sk when routing harder 2020-10-30 12:57:39 +01:00
x_tables.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
xt_AUDIT.c netfilter: fix clang-12 fmt string warnings 2021-06-01 23:53:51 +02:00
xt_CHECKSUM.c
…
xt_CLASSIFY.c
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xt_CONNSECMARK.c netfilter: Replace HTTP links with HTTPS ones 2020-07-29 20:09:18 +02:00
xt_CT.c netfilter: conntrack: convert to refcount_t api 2022-01-09 23:30:13 +01:00
xt_DSCP.c
…
xt_HL.c
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xt_HMARK.c netfilter: xt_HMARK: Use ip_is_fragment() helper 2020-08-28 19:55:51 +02:00
xt_IDLETIMER.c netfilter: xt_IDLETIMER: replace snprintf in show functions with sysfs_emit 2021-11-08 12:14:05 +01:00
xt_LED.c
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xt_LOG.c netfilter: log: work around missing softdep backend module 2021-09-21 03:46:56 +02:00
xt_MASQUERADE.c
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xt_NETMAP.c
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xt_NFLOG.c netfilter: log: work around missing softdep backend module 2021-09-21 03:46:56 +02:00
xt_NFQUEUE.c
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xt_RATEEST.c net: sched: Merge Qdisc::bstats and Qdisc::cpu_bstats data types 2021-10-18 12:54:41 +01:00
xt_REDIRECT.c
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xt_SECMARK.c netfilter: xt_SECMARK: add new revision to fix structure layout 2021-05-03 23:02:44 +02:00
xt_TCPMSS.c
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xt_TCPOPTSTRIP.c
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xt_TEE.c
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xt_TPROXY.c netfilter: disable defrag once its no longer needed 2021-04-26 03:20:07 +02:00
xt_TRACE.c netfilter: nf_log: add module softdeps 2021-03-31 22:34:10 +02:00
xt_addrtype.c
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xt_bpf.c bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
xt_cgroup.c
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xt_cluster.c
…
xt_comment.c
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xt_connbytes.c
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xt_connlabel.c
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xt_connlimit.c
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xt_connmark.c netfilter: Replace HTTP links with HTTPS ones 2020-07-29 20:09:18 +02:00
xt_conntrack.c
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xt_cpu.c
…
xt_dccp.c
…
xt_devgroup.c
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xt_dscp.c
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xt_ecn.c
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xt_esp.c
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xt_hashlimit.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
xt_helper.c
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xt_hl.c
…
xt_ipcomp.c
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xt_iprange.c
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xt_ipvs.c
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xt_l2tp.c
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xt_length.c
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xt_limit.c netfilter: x_tables: improve limit_mt scalability 2021-05-29 01:04:52 +02:00
xt_mac.c
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xt_mark.c
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xt_multiport.c
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xt_nat.c netfilter: Add MODULE_DESCRIPTION entries to kernel modules 2020-06-25 00:50:31 +02:00
xt_nfacct.c netfilter: Remove unnecessary conversion to bool 2020-12-01 09:45:29 +01:00
xt_osf.c
…
xt_owner.c
…
xt_physdev.c
…
xt_pkttype.c
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xt_policy.c
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xt_quota.c
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xt_rateest.c
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xt_realm.c
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xt_recent.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
xt_repldata.h
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xt_sctp.c
…
xt_set.c
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xt_socket.c netfilter: xt_socket: missing ifdef CONFIG_IP6_NF_IPTABLES dependency 2022-02-13 23:55:48 +01:00
xt_state.c
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xt_statistic.c
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xt_string.c
…
xt_tcpmss.c
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xt_tcpudp.c
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xt_time.c netfilter: Replace HTTP links with HTTPS ones 2020-07-29 20:09:18 +02:00
xt_u32.c
…