linux/net
Trond Myklebust b079fa7baa RPC: Do not block on skb allocation
If we get something like the following,
 [  125.300636]  [<c04086e1>] schedule_timeout+0x54/0xa5
 [  125.305931]  [<c040866e>] io_schedule_timeout+0x29/0x33
 [  125.311495]  [<c02880c4>] blk_congestion_wait+0x70/0x85
 [  125.317058]  [<c014136b>] throttle_vm_writeout+0x69/0x7d
 [  125.322720]  [<c014714d>] shrink_zone+0xe0/0xfa
 [  125.327560]  [<c01471d4>] shrink_caches+0x6d/0x6f
 [  125.332581]  [<c01472a6>] try_to_free_pages+0xd0/0x1b5
 [  125.338056]  [<c013fa4b>] __alloc_pages+0x135/0x2e8
 [  125.343258]  [<c03b74ad>] tcp_sendmsg+0xaa0/0xb78
 [  125.348281]  [<c03d4666>] inet_sendmsg+0x48/0x53
 [  125.353212]  [<c0388716>] sock_sendmsg+0xb8/0xd3
 [  125.358147]  [<c0388773>] kernel_sendmsg+0x42/0x4f
 [  125.363259]  [<c038bc00>] sock_no_sendpage+0x5e/0x77
 [  125.368556]  [<c03ee7af>] xs_tcp_send_request+0x2af/0x375
 then the socket is blocked until memory is reclaimed, and no
 progress can ever be made.

 Try to access the emergency pools by using GFP_ATOMIC.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-19 23:11:54 -05:00
..
802
8021q [VLAN]: Fix hardware rx csum errors 2005-12-14 16:23:16 -08:00
appletalk
atm [ATM]: deregistration removes device from atm_devs list immediately 2005-11-29 16:16:41 -08:00
ax25
bluetooth
bridge [BRIDGE-NF]: Fix bridge-nf ipv6 length check 2005-12-19 14:00:08 -08:00
core [NET]: Fix NULL pointer deref in checksum debugging. 2005-12-08 15:21:39 -08:00
dccp
decnet [DECNET]: add memory buffer settings 2005-12-05 13:42:06 -08:00
econet
ethernet
ieee80211 [PATCH] ieee80211_crypt_tkip depends on NET_RADIO 2005-12-12 23:59:28 -05:00
ipv4 [XFRM]: Handle DCCP in xfrm{4,6}_decode_session 2005-12-19 14:03:46 -08:00
ipv6 [XFRM]: Handle DCCP in xfrm{4,6}_decode_session 2005-12-19 14:03:46 -08:00
ipx
irda
key
lapb
llc
netfilter [NETFILTER]: Wait for untracked references in nf_conntrack module unload 2005-12-05 13:36:50 -08:00
netlink
netrom
packet [AF_PACKET]: Convert PACKET_MMAP over to vm_insert_page(). 2005-12-06 16:38:35 -08:00
rose
rxrpc
sched [PKT_SCHED]: Disable debug tracing logs by default in packet action API. 2005-12-13 22:59:50 -08:00
sctp [SCTP]: Fix sctp to not return erroneous POLLOUT events. 2005-12-19 14:24:40 -08:00
sunrpc RPC: Do not block on skb allocation 2005-12-19 23:11:54 -05:00
unix
wanrouter
x25
xfrm [IPSEC]: Perform SA switchover immediately. 2005-12-19 14:23:23 -08:00
compat.c
Kconfig
Makefile
nonet.c
socket.c
sysctl_net.c
TUNABLE