AcoSail/kernel_optimize_test
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cea8768f33
kernel_optimize_test/net
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Marcelo Ricardo Leitner cea8768f33 sctp: allow sctp_transmit_packet and others to use gfp 
Currently sctp_sendmsg() triggers some calls that will allocate memory
with GFP_ATOMIC even when not necessary. In the case of
sctp_packet_transmit it will allocate a linear skb that will be used to
construct the packet and this may cause sends to fail due to ENOMEM more
often than anticipated specially with big MTUs.

This patch thus allows it to inherit gfp flags from upper calls so that
it can use GFP_KERNEL if it was triggered by a sctp_sendmsg call or
similar. All others, like retransmits or flushes started from BH, are
still allocated using GFP_ATOMIC.

In netperf tests this didn't result in any performance drawbacks when
memory is not too fragmented and made it trigger ENOMEM way less often.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-13 22:29:07 -04:00
..
6lowpan 6lowpan: iphc: fix invalid case handling 2016-02-26 09:08:15 +01:00
9p Rework and error handling fixes, primarily in the fscatch and fd transports. 2016-01-24 12:39:09 -08:00
802
8021q net: 8021q: use __ethtool_get_ksettings 2016-02-25 22:06:46 -05:00
appletalk appletalk: fix erroneous return value 2016-02-18 14:59:34 -05:00
atm net: Generalise wq_has_sleeper helper 2015-11-30 14:47:33 -05:00
ax25 ax25: add link layer header validation function 2016-03-09 22:13:01 -05:00
batman-adv batman-adv: clarify CFG80211 dependency 2016-03-02 13:45:47 -05:00
bluetooth Bluetooth: hci_core: cancel power off delayed work properly 2016-02-23 20:29:38 +01:00
bridge bridge: allow zero ageing time 2016-03-11 14:58:58 -05:00
caif net: caif: fix erroneous return value 2016-02-18 14:59:35 -05:00
can can: avoid using timeval for uapi 2015-10-13 17:42:34 +02:00
ceph libceph: don't spam dmesg with stray reply warnings 2016-02-24 20:28:51 +01:00
core bpf: support flow label for bpf_skb_{set, get}_tunnel_key 2016-03-11 15:14:27 -05:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
decnet net: add validation for the socket syscall protocol argument 2015-12-14 16:09:30 -05:00
dns_resolver net: dns_resolver: convert time_t to time64_t 2015-11-18 16:27:46 -05:00
dsa net: dsa: Fix cleanup resources upon module removal 2016-03-10 16:20:17 -05:00
ethernet eth: Pull header from first fragment via eth_get_headlen 2016-02-24 13:58:05 -05:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 ieee802154: 6lowpan: fix return of netdev notifier 2016-02-23 20:29:40 +01:00
ipv4 netconf: add macro to represent all attributes 2016-03-13 21:54:44 -04:00
ipv6 netconf: add macro to represent all attributes 2016-03-13 21:54:44 -04:00
ipx
irda irda: fix a potential use-after-free in ircomm_param_request 2016-01-29 22:56:46 -08:00
iucv af_iucv: Validate socket address length in iucv_sock_bind() 2016-01-19 14:21:08 -05:00
kcm kcm: Add receive message timeout 2016-03-09 16:36:15 -05:00
key af_key: fix two typos 2015-10-23 03:05:19 -07:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
l3mdev net: l3mdev: address selection should only consider devices in L3 domain 2016-02-26 14:22:26 -05:00
lapb
llc af_llc: fix types on llc_ui_wait_for_conn 2016-02-17 16:12:13 -05:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-03-08 12:34:12 -05:00
mac802154 mac802154: Fixes kernel oops when unloading a radio driver 2016-02-23 20:29:40 +01:00
mpls mpls: autoload lwt module 2016-02-21 22:00:28 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2016-03-08 14:25:20 -05:00
netlabel netlabel: do not initialise statics to NULL 2016-03-07 11:08:26 -05:00
netlink nfnetlink: Revert "nfnetlink: add support for memory mapped netlink" 2016-02-18 11:42:22 -05:00
netrom
nfc NFC 4.5 pull request 2016-01-04 21:48:15 -05:00
openvswitch ovs: allow nl 'flow set' to use ufid without flow key 2016-03-13 22:18:26 -04:00
packet packet: validate variable length ll headers 2016-03-09 22:13:01 -05:00
phonet sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
rds RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
rfkill Here's another round of updates for -next: 2016-03-01 17:03:27 -05:00
rose
rxrpc rxrpc: Replace all unsigned with unsigned int 2016-03-13 15:14:57 -04:00
sched net/flower: Fix pointer cast 2016-03-11 12:04:37 -05:00
sctp sctp: allow sctp_transmit_packet and others to use gfp 2016-03-13 22:29:07 -04:00
sunrpc One fix for a bug that could cause a NULL write past the end of a buffer 2016-02-25 19:31:01 -08:00
switchdev net: ndo_fdb_dump should report -EMSGSIZE to rtnl_fdb_dump. 2016-02-26 15:04:02 -05:00
tipc ip_tunnel: add support for setting flow label via collect metadata 2016-03-11 15:14:26 -05:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
vmw_vsock vsock: Fix blocking ops call in prepare_to_wait 2016-02-13 05:57:39 -05:00
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-03-08 12:34:12 -05:00
x25
xfrm net: preserve IP control block during GSO segmentation 2016-01-15 14:35:24 -05:00
compat.c
Kconfig kcm: Kernel Connection Multiplexor module 2016-03-09 16:36:14 -05:00
Makefile kcm: Kernel Connection Multiplexor module 2016-03-09 16:36:14 -05:00
socket.c net: Add MSG_BATCH flag 2016-03-09 16:36:13 -05:00
sysctl_net.c net: sysctl: fix a kmemleak warning 2015-10-23 06:22:08 -07:00