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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: restrict RDMA usage 2008-11-12 23:33:57 -08:00
802 net/802/fc.c: Fix compilation warnings 2008-10-15 00:13:53 -07:00
8021q vlan: Fix typos in proc output string 2008-11-10 13:37:40 -08:00
appletalk net: Rationalise email address: Network Specific Parts 2008-10-13 19:01:08 -07:00
atm net/atm/lec.c: drop code after return 2008-09-22 19:24:45 -07:00
ax25 ax25: Quick fix for making sure unaccepted sockets get destroyed. 2008-10-06 12:53:50 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
bridge bridge: netfilter: fix update_pmtu crash with GRE 2008-11-24 16:06:50 -08:00
can net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
core net: make skb_truesize_bug() call WARN() 2008-11-25 21:08:13 -08:00
dccp dccp: Port redirection support for DCCP 2008-10-19 23:36:47 -07:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
dsa dsa: fix master interface allmulti/promisc handling 2008-11-10 21:53:12 -08:00
econet netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
ethernet dsa: add support for Trailer tagging format 2008-10-08 17:24:16 -07:00
ieee80211 net/ieee80211: adjust error handling 2008-08-22 16:29:49 -04:00
ipv4 tcp: Do not use TSO/GSO when there is urgent data 2008-11-21 16:42:58 -08:00
ipv6 net: fix tiny output corruption of /proc/net/snmp6 2008-11-20 04:20:10 -08:00
ipx netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
irda Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-07-20 17:43:29 -07:00
iucv iucv: Fix mismerge again. 2008-09-30 03:03:35 -07:00
key af_key: mark policy as dead before destroying 2008-11-06 23:08:37 -08:00
lapb
llc netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
mac80211 mac80211 : Fix setting ad-hoc mode and non-ibss channel 2008-11-25 16:13:08 -05:00
netfilter netfilter: ctnetlink: fix GFP_KERNEL allocation under spinlock 2008-11-26 03:57:44 -08:00
netlabel netlabel: Fix compilation warnings in net/netlabel/netlabel_addrlist.c 2008-10-30 10:44:48 -04:00
netlink net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
netrom netrom: Fix sock_orphan() use in nr_release 2008-10-06 12:54:57 -07:00
packet net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
phonet Phonet: fix oops in phonet_address_del() on non-Phonet device 2008-11-26 15:26:43 -08:00
rfkill Fix logic error in rfkill_check_duplicity 2008-11-06 16:37:09 -05:00
rose rose: zero length frame filtering in af_rose.c 2008-11-25 00:56:20 -08:00
rxrpc net/rxrpc: Use an IS_ERR test rather than a NULL test 2008-08-13 02:40:48 -07:00
sched pkt_sched: fix missing check for packet overrun in qdisc_dump_stab() 2008-11-20 04:07:14 -08:00
sctp sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state 2008-10-23 01:01:18 -07:00
sunrpc SUNRPC: Fix a performance regression in the RPC authentication code 2008-11-20 13:17:40 -08:00
tipc tipc: Don't use structure names which easily globally conflict. 2008-09-02 23:38:32 -07:00
unix net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
wanrouter wanmain.c doesn't need syncppp.h 2008-07-23 23:00:36 +02:00
wireless net/wireless/reg.c: fix bad WARN_ON in if statement 2008-11-25 16:13:09 -05:00
x25 netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
xfrm xfrm: Fix xfrm_policy_gc_lock handling. 2008-11-03 19:11:29 -08:00
compat.c reintroduce accept4 2008-11-19 18:49:57 -08:00
Kconfig net: Distributed Switch Architecture protocol support 2008-10-08 17:15:19 -07:00
Makefile net: Distributed Switch Architecture protocol support 2008-10-08 17:15:19 -07:00
nonet.c
socket.c reintroduce accept4 2008-11-19 18:49:57 -08:00
sysctl_net.c missing bits of net-namespace / sysctl 2008-07-27 09:45:34 -07:00
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