AuxXxilium/linux_dsm_epyc7002
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3ab5aee7fe
linux_dsm_epyc7002/net/ipv6
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Eric Dumazet 3ab5aee7fe net: Convert TCP & DCCP hash tables to use RCU / hlist_nulls 
RCU was added to UDP lookups, using a fast infrastructure :
- sockets kmem_cache use SLAB_DESTROY_BY_RCU and dont pay the
  price of call_rcu() at freeing time.
- hlist_nulls permits to use few memory barriers.

This patch uses same infrastructure for TCP/DCCP established
and timewait sockets.

Thanks to SLAB_DESTROY_BY_RCU, no slowdown for applications
using short lived TCP connections. A followup patch, converting
rwlocks to spinlocks will even speedup this case.

__inet_lookup_established() is pretty fast now we dont have to
dirty a contended cache line (read_lock/read_unlock)

Only established and timewait hashtable are converted to RCU
(bind table and listen table are still using traditional locking)

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-16 19:40:17 -08:00
..
netfilter net: '&' redux 2008-11-03 18:21:05 -08:00
addrconf_core.c [IPV6]: ipv6_addr_type() doesn't know about RFC4193 addresses. 2007-07-31 02:28:21 -07:00
addrconf.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-11-06 22:43:03 -08:00
addrlabel.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
af_inet6.c netns: mib6 section fixlet 2008-10-13 18:54:07 -07:00
ah6.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
anycast.c net: replace %#p6 format specifier with %pi6 2008-10-29 12:50:24 -07:00
datagram.c IPv6: datagram_send_ctl() should exit immediately when an error occured 2008-07-29 23:57:58 -07:00
esp6.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
exthdrs_core.c [NET] IPV6: Fix whitespace errors. 2007-02-10 23:19:42 -08:00
exthdrs.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
fib6_rules.c netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
icmp.c net: '&' redux 2008-11-03 18:21:05 -08:00
inet6_connection_sock.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
inet6_hashtables.c net: Convert TCP & DCCP hash tables to use RCU / hlist_nulls 2008-11-16 19:40:17 -08:00
ip6_fib.c netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
ip6_flowlabel.c net: replace %#p6 format specifier with %pi6 2008-10-29 12:50:24 -07:00
ip6_input.c ipv6: added net argument to IP6_INC_STATS_BH 2008-10-08 11:09:27 -07:00
ip6_output.c net: reduce structures when XFRM=n 2008-10-28 13:24:06 -07:00
ip6_tunnel.c net: Use hton[sl]() instead of __constant_hton[sl]() where applicable 2008-09-20 22:20:49 -07:00
ip6mr.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-11-11 15:43:02 -08:00
ipcomp6.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
ipv6_sockglue.c ipv6: Fix the return interface index when get it while no message is received. 2008-08-17 23:21:52 -07:00
Kconfig ipsec: ipcomp - Merge IPComp implementations 2008-07-25 02:54:40 -07:00
Makefile [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
mcast.c net: replace %#p6 format specifier with %pi6 2008-10-29 12:50:24 -07:00
mip6.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
ndisc.c bonding: send IPv6 neighbor advertisement on failover 2008-11-06 00:49:37 -05:00
netfilter.c netns: correct mib stats in ip6_route_me_harder() 2008-10-14 22:55:21 -07:00
proc.c ipv6: making ip and icmp statistics per/namespace 2008-10-08 11:16:45 -07:00
protocol.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
raw.c netns: add net parameter to IP6_INC_STATS 2008-10-08 10:54:51 -07:00
reassembly.c net: '&' redux 2008-11-03 18:21:05 -08:00
route.c net: remove struct dst_entry::entry_size 2008-11-11 17:25:22 -08:00
sit.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-16 18:25:48 -07:00
syncookies.c tcp: Fix IPv6 fallout from 'Port redirection support for TCP' 2008-10-19 23:35:58 -07:00
sysctl_net_ipv6.c net: '&' redux 2008-11-03 18:21:05 -08:00
tcp_ipv6.c net: Convert TCP & DCCP hash tables to use RCU / hlist_nulls 2008-11-16 19:40:17 -08:00
tunnel6.c [IPV6] TUNNEL6: Fix incoming packet length check for inter-protocol tunnel. 2008-06-05 04:02:32 +09:00
udp_impl.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
udp.c udp: Use hlist_nulls in UDP RCU code 2008-11-16 19:39:21 -08:00
udplite.c udp: RCU handling for Unicast packets. 2008-10-29 02:11:14 -07:00
xfrm6_input.c [XFRM] IPV6: Optimize xfrm6_input_addr(). 2008-03-25 10:23:56 +09:00
xfrm6_mode_beet.c ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer 2008-08-06 02:40:25 -07:00
xfrm6_mode_ro.c [IPSEC]: Make x->lastused an unsigned long 2008-01-28 14:53:52 -08:00
xfrm6_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm6_mode_tunnel.c [IPSEC]: Fix inter address family IPsec tunnel handling. 2008-03-24 14:51:51 -07:00
xfrm6_output.c [IPSEC]: Fix inter address family IPsec tunnel handling. 2008-03-24 14:51:51 -07:00
xfrm6_policy.c net: remove struct dst_entry::entry_size 2008-11-11 17:25:22 -08:00
xfrm6_state.c xfrm: Have af-specific init_tempsel() initialize family field of temporary selector 2008-11-04 14:49:19 -08:00
xfrm6_tunnel.c [XFRM] IPV6: Optimize __xfrm_tunnel_alloc_spi(). 2008-03-25 10:23:57 +09:00