Miroslav Urbanek be5339492b flowcache: Increase threshold for refusing new allocations ...

commit 6b22648781 upstream.

The threshold for OOM protection is too small for systems with large
number of CPUs. Applications report ENOBUFs on connect() every 10
minutes.

The problem is that the variable net->xfrm.flow_cache_gc_count is a
global counter while the variable fc->high_watermark is a per-CPU
constant. Take the number of CPUs into account as well.

Fixes: 6ad3122a08 ("flowcache: Avoid OOM condition under preasure")
Reported-by: Lukáš Koldrt <lk@excello.cz>
Tested-by: Jan Hejl <jh@excello.cz>
Signed-off-by: Miroslav Urbanek <mu@miroslavurbanek.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2016-12-10 19:09:44 +01:00

..

datagram.c

udp: enable MSG_PEEK at non-zero offset

2016-04-05 16:29:37 -04:00

dev_addr_lists.c

net: fix spelling for synchronized

2014-11-18 15:26:32 -05:00

dev_ioctl.c

dev_ioctl: use sizeof(x) instead of sizeof x

2014-11-18 15:27:32 -05:00

dev.c

net: mangle zero checksum in skb_checksum_help()

2016-11-21 10:11:34 +01:00

devlink.c

devlink: add hardware messages tracing facility

2016-07-12 14:20:18 -07:00

drop_monitor.c

net: tracepoint napi:napi_poll add work and budget

2016-07-09 18:05:02 -04:00

dst_cache.c

net: dst_cache_per_cpu_dst_set() can be static

2016-03-18 17:45:08 -04:00

dst.c

net: add dst_cache to ovs vxlan lwtunnel

2016-02-16 20:21:48 -05:00

ethtool.c

sctp: Add GSO support

2016-06-03 19:37:21 -04:00

fib_rules.c

fib_rules: Added NLM_F_EXCL support to fib_nl_newrule

2016-06-30 08:23:19 -04:00

filter.c

bpf: fix write helpers with regards to non-linear parts

2016-08-13 15:01:02 -07:00

flow_dissector.c

flow_dissect: call init_default_flow_dissectors() earlier

2016-12-02 09:10:33 +01:00

flow.c

flowcache: Increase threshold for refusing new allocations

2016-12-10 19:09:44 +01:00

gen_estimator.c

net: sched: do not acquire qdisc spinlock in qdisc/class stats dump

2016-06-07 16:37:14 -07:00

gen_stats.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2016-06-10 11:52:24 -07:00

hwbm.c

net: hwbm: Fix unbalanced spinlock in error case

2016-05-25 12:35:09 -07:00

link_watch.c

dev: introduce dev_get_iflink()

2015-04-02 14:04:59 -04:00

lwtunnel.c

lwtunnel: autoload of lwt modules

2016-02-21 22:00:28 -05:00

Makefile

net: add a hardware buffer management helper API

2016-03-14 12:19:46 -04:00

neighbour.c

net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()

2016-07-26 14:25:20 -07:00

net_namespace.c

net: check dead netns for peernet2id_alloc()

2016-12-10 19:09:37 +01:00

net-procfs.c

net: remove NETDEV_TX_LOCKED support

2016-04-26 15:53:05 -04:00

net-sysfs.c

net: introduce NETDEV_CHANGE_TX_QUEUE_LEN

2016-07-01 05:32:17 -04:00

net-sysfs.h

net: netdev_kobject_init: annotate with __init

2014-01-05 20:27:54 -05:00

net-traces.c

net: IPv6 fib lookup tracepoint

2015-11-22 11:54:10 -05:00

netclassid_cgroup.c

core: remove unneded headers for net cgroup controllers.

2016-02-17 15:31:27 -05:00

netevent.c

netevent: remove automatic variable in register_netevent_notifier()

2015-05-31 00:03:21 -07:00

netpoll.c

net: tracepoint napi:napi_poll add work and budget

2016-07-09 18:05:02 -04:00

netprio_cgroup.c

core: remove unneded headers for net cgroup controllers.

2016-02-17 15:31:27 -05:00

pktgen.c

net: pktgen: remove rcu locking in pktgen_change_name()

2016-11-15 07:48:52 +01:00

ptp_classifier.c

ptp: Change ptp_class to a proper bitmask

2015-11-03 11:08:22 -05:00

request_sock.c

tcp: restore fastopen operations

2015-10-05 03:19:06 -07:00

rtnetlink.c

rtnl: fix the loop index update error in rtnl_dump_ifinfo()

2016-12-10 19:09:38 +01:00

scm.c

unix: correctly track in-flight fds in sending process user_struct

2016-02-08 10:30:42 -05:00

secure_seq.c

net: remove a sparse error in secure_dccpv6_sequence_number()

2015-05-25 22:55:37 -04:00

skbuff.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2016-07-06 10:35:22 -07:00

sock_diag.c

sock_diag: align nlattr properly when needed

2016-04-26 12:00:48 -04:00

sock_reuseport.c

soreuseport: fix NULL ptr dereference SO_REUSEPORT after bind

2016-01-19 14:44:23 -05:00

sock.c

net: avoid signed overflows for SO_{SND|RCV}BUFFORCE

2016-12-10 19:09:42 +01:00

stream.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-12-03 21:09:12 -05:00

sysctl_net_core.c

bpf: add generic constant blinding for use in jits

2016-05-16 13:49:32 -04:00

timestamping.c

net: skb_defer_rx_timestamp should check for phydev before setting up classify

2015-07-09 14:17:15 -07:00

tso.c

net: tso: add support for IPv6

2015-10-26 22:24:22 -07:00

utils.c

net: the space is required before the open parenthesis '('

2016-06-29 05:15:14 -04:00