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aa1330766c
linux/include/net
History
Wu Fengguang aa1330766c tcp: replace hard coded GFP_KERNEL with sk_allocation 
This fixed a lockdep warning which appeared when doing stress
memory tests over NFS:

	inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage.

	page reclaim => nfs_writepage => tcp_sendmsg => lock sk_lock

	mount_root => nfs_root_data => tcp_close => lock sk_lock =>
			tcp_send_fin => alloc_skb_fclone => page reclaim

David raised a concern that if the allocation fails in tcp_send_fin(), and it's
GFP_ATOMIC, we are going to yield() (which sleeps) and loop endlessly waiting
for the allocation to succeed.

But fact is, the original GFP_KERNEL also sleeps. GFP_ATOMIC+yield() looks
weird, but it is no worse the implicit sleep inside GFP_KERNEL. Both could
loop endlessly under memory pressure.

CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
CC: David S. Miller <davem@davemloft.net>
CC: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 23:45:45 -07:00
..
9p net/9p: handle correctly interrupted 9P requests 2009-04-05 16:54:53 -05:00
bluetooth Bluetooth: Handle L2CAP case when the remote receiver is busy 2009-08-26 00:12:20 -07:00
irda net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
iucv af_iucv: Return -EAGAIN if iucv msg limit is exceeded 2009-06-19 00:10:40 -07:00
netfilter net: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
netns netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
phonet Phonet: sockets list through proc_fs 2009-07-23 17:58:19 -07:00
sctp net: mark read-only arrays as const 2009-08-05 10:42:58 -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: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
addrconf.h ipv6: Fix conflict resolutions during ipv6 binding 2009-03-24 19:49:11 -07:00
af_ieee802154.h af_ieee802154: add support for WANT_ACK socket option 2009-08-12 21:54:50 -07:00
af_rxrpc.h
af_unix.h net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
ah.h
arp.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
atmclip.h clip: convert to internal network_device_stats 2009-01-21 14:01:59 -08:00
ax25.h
ax88796.h ax88796: Add method to take MAC from platform data 2009-03-24 23:32:03 -07:00
cfg80211.h cfg80211: fix dangling scan request checking 2009-08-20 11:36:05 -04:00
checksum.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
cipso_ipv4.h netlabel: Label incoming TCP connections correctly in SELinux 2009-03-28 15:01:36 +11:00
compat.h net: Use standard structures for generic socket address structures. 2008-07-19 22:35:47 -07:00
datalink.h
dcbnl.h dcbnl: Add support for setapp/getapp to netdev dcbnl_rtnl_ops 2009-09-01 01:24:30 -07:00
dn_dev.h
dn_fib.h decnet: remove private wrappers of endian helpers 2008-11-27 00:12:47 -08:00
dn_neigh.h
dn_nsp.h
dn_route.h
dn.h decnet: compile fix for removal of byteorder wrapper 2008-11-27 23:04:13 -08:00
dsa.h dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
dsfield.h
dst_ops.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
dst.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
esp.h
ethoc.h net: Add support for the OpenCores 10/100 Mbps Ethernet MAC. 2009-03-27 00:16:21 -07:00
fib_rules.h net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
flow.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
garp.h vlan: Add GVRP support 2008-07-05 21:26:57 -07:00
gen_stats.h net: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
genetlink.h genetlink: make netns aware 2009-07-12 14:03:27 -07:00
icmp.h mib: put icmpmsg statistics on struct net 2008-07-18 04:04:22 -07:00
ieee80211_radiotap.h wireless: radiotap updates 2009-03-27 20:12:52 -04:00
ieee802154_netdev.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
ieee802154.h ieee802154: move headers out of extra directory 2009-07-23 17:08:51 +04:00
if_inet6.h ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds 2009-03-21 13:29:05 -07:00
inet6_connection_sock.h
inet6_hashtables.h net: skb->dst accessors 2009-06-03 02:51:04 -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 net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
inet_frag.h inet fragments: fix sparse warning: context imbalance 2009-02-26 23:13:35 -08:00
inet_hashtables.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
inet_sock.h Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck 2009-06-16 13:09:51 -07:00
inet_timewait_sock.h net: annotate inet_timewait_sock bitfields 2009-06-15 15:49:32 +02:00
inetpeer.h net: remove CVS keywords 2008-06-11 21:00:38 -07:00
ip6_checksum.h
ip6_fib.h xfrm: select sane defaults for xfrm[4|6] gc_thresh 2009-07-30 18:52:15 -07:00
ip6_route.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ip6_tunnel.h net: remove CVS keywords 2008-06-11 21:00:38 -07:00
ip_fib.h ipv4: remove unused macro (FIB_RES_RESET) from ip_fib.h. 2009-05-03 14:19:51 -07:00
ip_vs.h net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
ip.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -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 sit: stateless autoconf for isatap 2009-05-19 16:02:02 -07:00
ipv6.h udpv6: Remove unused skb argument of ipv6_select_ident() 2009-07-12 14:29:28 -07:00
ipx.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
iw_handler.h libipw: switch from ieee80211_* to libipw_* naming policy 2009-08-28 14:40:28 -04:00
lapb.h
lib80211.h wireless: missing include in lib80211.h 2008-11-21 11:42:55 -05:00
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
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_rx namespace hack 2009-08-28 14:40:29 -04:00
mip6.h [IPV6] MIP6: Use our standard definitions for paddings. 2008-04-12 13:43:22 +09:00
ndisc.h ipv6: Fix sporadic sendmsg -EINVAL when sending to multicast groups. 2009-01-04 16:04:39 -08:00
neighbour.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
net_namespace.h net: explain netns notifiers a little better 2009-07-20 08:03:00 -07:00
netdma.h net_dma: convert to dma_find_channel 2009-01-06 11:38:15 -07:00
netevent.h
netlabel.h netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections 2009-03-28 15:01:37 +11:00
netlink.h netfilter: conntrack: add support for DCCP handshake sequence to ctnetlink 2009-05-27 17:50:35 +02:00
netrom.h netrom: convert to internal net_device_stats 2009-01-21 14:02:01 -08:00
nexthop.h
nl802154.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
p8022.h
pkt_cls.h ematch: simpler tcf_em_unregister() 2008-11-16 23:01:49 -08:00
pkt_sched.h pkt_sched: Revert tasklet_hrtimer changes. 2009-09-01 17:59:25 -07:00
protocol.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
psnap.h snap: use const for descriptor 2009-03-21 19:06:50 -07:00
raw.h [RAW]: Add raw_hashinfo member on struct proto. 2008-03-22 16:56:51 -07:00
rawv6.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
red.h
regulatory.h cfg80211: clean up includes 2009-04-22 16:57:17 -04:00
request_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
rose.h NET: ROSE: Don't use static buffer. 2009-07-26 19:11:14 -07:00
route.h net: skb->rtable accessor 2009-06-03 02:51:02 -07:00
rtnetlink.h vlan: multiqueue vlan device 2009-09-02 18:03:00 -07:00
sch_generic.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-09-02 00:32:56 -07:00
scm.h cleanup: remove unused member in scm_cookie. 2009-07-05 19:16:10 -07:00
slhc_vj.h
snmp.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
sock.h net: sock_copy() fixes 2009-07-16 18:05:26 -07:00
stp.h net: Add STP demux layer 2008-07-05 21:25:39 -07:00
tcp_states.h
tcp.h tcp: replace hard coded GFP_KERNEL with sk_allocation 2009-09-02 23:45:45 -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 inet: inet_connection_sock_af_ops const 2009-09-02 01:03:49 -07:00
udp.h udpv4: Handle large incoming UDP/IPv4 packets and support software UFO. 2009-07-12 14:29:21 -07:00
udplite.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
wext.h wext: Dispatch and handle compat ioctls entirely in net/wireless/wext.c 2008-06-16 18:32:46 -07:00
wimax.h rfkill: rewrite 2009-06-03 14:06:13 -04:00
wpan-phy.h ieee802154: add a sysfs representation of WPAN master devices 2009-08-19 23:08:20 +04:00
x25.h x25: Fix sleep from timer on socket destroy. 2009-06-16 05:40:30 -07:00
x25device.h
xfrm.h xfrm: select sane defaults for xfrm[4|6] gc_thresh 2009-07-30 18:52:15 -07:00