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dann frazier 5f23b73496 net: Fix soft lockups/OOM issues w/ unix garbage collector 
This is an implementation of David Miller's suggested fix in:
  https://bugzilla.redhat.com/show_bug.cgi?id=470201

It has been updated to use wait_event() instead of
wait_event_interruptible().

Paraphrasing the description from the above report, it makes sendmsg()
block while UNIX garbage collection is in progress. This avoids a
situation where child processes continue to queue new FDs over a
AF_UNIX socket to a parent which is in the exit path and running
garbage collection on these FDs. This contention can result in soft
lockups and oom-killing of unrelated processes.

Signed-off-by: dann frazier <dannf@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-26 15:32:27 -08:00
..
9p
9p: fix sparse warnings
2008-10-22 18:54:47 -05:00
bluetooth
include: replace __FUNCTION__ with __func__
2008-10-16 11:21:30 -07:00
irda
include: replace __FUNCTION__ with __func__
2008-10-16 11:21:30 -07:00
iucv
[AF_IUCV]: postpone receival of iucv-packets
2007-10-10 16:54:51 -07:00
netfilter
netfilter: ctnetlink: remove bogus module dependency between ctnetlink and nf_nat
2008-10-14 11:58:31 -07:00
netns
netfilter: netns: use NFPROTO_NUMPROTO instead of NUMPROTO for tables array
2008-10-20 03:31:54 -07:00
phonet
Phonet: include generic link-layer header size in MAX_PHONET_HEADER
2008-10-26 23:06:31 -07:00
sctp
sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state
2008-10-23 01:01:18 -07:00
tc_act
pkt_action: add new action skbedit
2008-09-12 16:30:20 -07:00
tipc
tipc: Remove unneeded parameter to tipc_createport_raw()
2008-07-14 22:42:19 -07:00
act_api.h
[NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get
2008-01-28 15:11:17 -08:00
addrconf.h
netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
2008-08-14 15:33:21 -07:00
af_rxrpc.h
[AF_RXRPC]: Add an interface to the AF_RXRPC module for the AFS filesystem to use
2007-04-26 15:50:17 -07:00
af_unix.h
net: Fix soft lockups/OOM issues w/ unix garbage collector
2008-11-26 15:32:27 -08:00
ah.h
[IPSEC]: Get rid of ipv6_{auth,esp,comp}_hdr
2007-10-10 16:55:55 -07:00
arp.h
[NETFILTER]: ebtables: remove casts, use consts
2008-01-31 19:27:33 -08:00
atmclip.h
…
ax25.h
[AX25] ax25_ds_timer: use mod_timer instead of add_timer
2008-02-12 17:53:34 -08:00
ax88796.h
ax88796: add 93cx6 eeprom support
2007-10-10 16:53:56 -07:00
cfg80211.h
cfg80211: show interface type
2008-09-24 16:18:00 -04:00
checksum.h
[NET]: Move netfilter checksum helpers to net/core/utils.c
2008-01-28 14:55:14 -08:00
cipso_ipv4.h
cipso: Add support for native local labeling and fixup mapping names
2008-10-10 10:16:34 -04:00
compat.h
net: Use standard structures for generic socket address structures.
2008-07-19 22:35:47 -07:00
datalink.h
…
dn_dev.h
…
dn_fib.h
[DECNet]: Use rtnl registration interface
2007-04-25 22:27:12 -07:00
dn_neigh.h
…
dn_nsp.h
…
dn_route.h
[NET]: Wrap netdevice hardware header creation.
2007-10-10 16:52:50 -07:00
dn.h
[DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h
2007-07-10 23:02:12 -07:00
dsa.h
dsa: add support for Trailer tagging format
2008-10-08 17:24:16 -07:00
dsfield.h
[NET]: Constify include/net/dsfield.h
2008-01-28 14:55:58 -08:00
dst.h
net: Kill plain NET_XMIT_BYPASS.
2008-08-04 23:04:08 -07:00
esp.h
[IPSEC]: Use crypto_aead and authenc in ESP
2008-01-31 19:27:02 -08:00
fib_rules.h
net: add fib_rules_ops to flush_cache method
2008-07-05 19:01:28 -07:00
flow.h
ipv4: Loosen source address check on IPv4 output
2008-10-01 07:28:28 -07:00
garp.h
vlan: Add GVRP support
2008-07-05 21:26:57 -07:00
gen_stats.h
[NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API
2008-01-28 15:11:10 -08:00
genetlink.h
netlink: Improve returned error codes
2008-06-03 16:36:54 -07:00
icmp.h
mib: put icmpmsg statistics on struct net
2008-07-18 04:04:22 -07:00
ieee80211_crypt.h
[PATCH] Update my email address from jkmaline@cc.hut.fi to j@w1.fi
2007-04-28 11:01:01 -04:00
ieee80211_radiotap.h
include: use get/put_unaligned_* helpers
2008-07-25 10:53:26 -07:00
ieee80211.h
include: replace __FUNCTION__ with __func__
2008-10-16 11:21:30 -07:00
if_inet6.h
ipv6: make struct ipv6_devconf static
2008-07-22 14:21:58 -07:00
inet6_connection_sock.h
…
inet6_hashtables.h
inet: Don't lookup the socket if there's a socket attached to the skb
2008-10-07 12:41:01 -07:00
inet_common.h
[NETNS]: Inet control socket should not hold a namespace.
2008-04-03 14:28:30 -07:00
inet_connection_sock.h
net: more #ifdef CONFIG_COMPAT
2008-08-28 02:53:51 -07:00
inet_ecn.h
[IPV6]: Use appropriate sock tclass setting for routing lookup.
2008-04-13 23:40:51 -07:00
inet_frag.h
[NET]: Rename inet_frag.h identifiers COMPLETE, FIRST_IN, LAST_IN to INET_FRAG_*
2008-03-28 16:35:27 -07:00
inet_hashtables.h
inet: Don't lookup the socket if there's a socket attached to the skb
2008-10-07 12:41:01 -07:00
inet_sock.h
tcp: Port redirection support for TCP
2008-10-01 07:46:49 -07:00
inet_timewait_sock.h
ipv4: Implement IP_TRANSPARENT socket option
2008-10-01 07:30:02 -07:00
inetpeer.h
net: remove CVS keywords
2008-06-11 21:00:38 -07:00
ip6_checksum.h
…
ip6_fib.h
[NETNS][IPV6] rt6_info - move rt6_info structure inside the namespace
2008-03-04 13:48:30 -08:00
ip6_route.h
netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
2008-08-14 15:33:21 -07:00
ip6_tunnel.h
net: remove CVS keywords
2008-06-11 21:00:38 -07:00
ip_fib.h
[IPV4]: Fix compile error building without CONFIG_FS_PROC
2008-02-05 02:54:16 -08:00
ip_vs.h
include: replace __FUNCTION__ with __func__
2008-10-16 11:21:30 -07:00
ip.h
sysctl: simplify ->strategy
2008-10-16 11:21:47 -07:00
ipcomp.h
ipsec: ipcomp - Merge IPComp implementations
2008-07-25 02:54:40 -07:00
ipconfig.h
net: remove CVS keywords
2008-06-11 21:00:38 -07:00
ipip.h
inet: Make tunnel RX/TX byte counters more consistent
2008-10-09 12:03:17 -07:00
ipv6.h
ipv6: making ip and icmp statistics per/namespace
2008-10-08 11:16:45 -07:00
ipx.h
[SK_BUFF]: Introduce skb_transport_header(skb)
2007-04-25 22:25:31 -07:00
iw_handler.h
wext: Emit event stream entries correctly when compat.
2008-06-16 18:50:49 -07:00
lapb.h
…
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
[NET]: Make socket creation namespace safe.
2007-10-10 16:49:07 -07:00
llc_if.h
[LLC]: Kill static inline llc_addrany
2008-02-29 11:46:17 -08:00
llc_pdu.h
[LLC]: skb allocation size for responses
2008-03-31 21:02:47 -07:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
[LLC]: skb allocation size for responses
2008-03-31 21:02:47 -07:00
llc.h
[LLC]: station source mac address
2008-03-28 16:28:36 -07:00
mac80211.h
mac80211: remove ieee80211_notify_mac
2008-11-18 17:26:26 -05:00
mip6.h
[IPV6] MIP6: Use our standard definitions for paddings.
2008-04-12 13:43:22 +09:00
ndisc.h
sysctl: simplify ->strategy
2008-10-16 11:21:47 -07:00
neighbour.h
core: add stat to track unresolved discards in neighbor cache
2008-07-16 20:50:49 -07:00
net_namespace.h
netns: add register_pernet_gen_subsys/unregister_pernet_gen_subsys
2008-10-30 23:55:16 -07:00
netdma.h
…
netevent.h
[NET]: Remove unnecessary inclusion of dst.h
2008-01-28 14:53:38 -08:00
netlabel.h
netlabel: Add configuration support for local labeling
2008-10-10 10:16:34 -04:00
netlink.h
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2008-10-01 06:12:56 -07:00
netrom.h
[PATCH] mark struct file_operations const 1
2007-02-12 09:48:44 -08:00
nexthop.h
…
p8022.h
…
pkt_cls.h
[PKT_SCHED]: Pass real namespace in net scheduler classifiers.
2008-03-27 16:53:37 -07:00
pkt_sched.h
pkt_sched: Remove the tx queue state check in qdisc_run()
2008-09-23 01:05:56 -07:00
protocol.h
[NETNS]: Drop packets in the non-initial namespace on the per/protocol basis.
2008-03-24 15:33:00 -07:00
psnap.h
…
raw.h
[RAW]: Add raw_hashinfo member on struct proto.
2008-03-22 16:56:51 -07:00
rawv6.h
[IPv6] RAW: Compact the API for the kernel
2008-01-28 14:54:29 -08:00
red.h
[NET_SCHED]: turn PSCHED_GET_TIME into inline function
2007-04-25 22:27:55 -07:00
request_sock.h
net: Fix memory leak in the proto_register function
2008-11-21 16:45:22 -08:00
rose.h
rose: improving AX25 routing frames via ROSE network
2008-06-17 17:08:32 -07:00
route.h
ipv4: Conditionally enable transparent flow flag when connecting
2008-10-01 07:35:39 -07:00
rtnetlink.h
[RTNL]: Introduce the rtnl_kill_links helper.
2008-04-16 00:46:52 -07:00
sch_generic.h
pkt_sched: Fix handling of gso skbs on requeuing
2008-10-06 09:54:39 -07:00
scm.h
net: Fix recursive descent in __scm_destroy().
2008-11-06 13:51:50 -08:00
slhc_vj.h
…
snmp.h
net: remove CVS keywords
2008-06-11 21:00:38 -07:00
sock.h
lockdep: include/linux/lockdep.h - fix warning in net/bluetooth/af_bluetooth.c
2008-11-13 23:19:10 -08:00
stp.h
net: Add STP demux layer
2008-07-05 21:25:39 -07:00
syncppp.h
Remove bogus variables from syncppp.[ch]
2008-07-23 23:00:31 +02:00
tcp_states.h
…
tcp.h
net: wrap sk->sk_backlog_rcv()
2008-10-07 14:18:42 -07:00
timewait_sock.h
net: Fix memory leak in the proto_register function
2008-11-21 16:45:22 -08:00
transp_v6.h
net: change proto destroy method to return void
2008-06-14 17:04:49 -07:00
udp.h
netns: make uplitev6 mib per/namespace
2008-10-07 14:50:06 -07:00
udplite.h
[UDP]: Revert udplite and code split.
2008-03-06 16:22:02 -08:00
wext.h
wext: Dispatch and handle compat ioctls entirely in net/wireless/wext.c
2008-06-16 18:32:46 -07:00
wireless.h
cfg80211: show interface type
2008-09-24 16:18:00 -04:00
x25.h
[X.25]: Adds /proc/sys/net/x25/x25_forward to control forwarding.
2007-02-08 13:34:36 -08:00
x25device.h
[SK_BUFF]: Introduce skb_reset_mac_header(skb)
2007-04-25 22:24:32 -07:00
xfrm.h
xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)
2008-10-05 13:33:42 -07:00