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linux/net/ipv6
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Nikolay Aleksandrov 1bab4c7507 inet: frag: set limits and make init_net's high_thresh limit global 
This patch makes init_net's high_thresh limit to be the maximum for all
namespaces, thus introducing a global memory limit threshold equal to the
sum of the individual high_thresh limits which are capped.
It also introduces some sane minimums for low_thresh as it shouldn't be
able to drop below 0 (or > high_thresh in the unsigned case), and
overall low_thresh should not ever be above high_thresh, so we make the
following relations for a namespace:
init_net:
 high_thresh - max(not capped), min(init_net low_thresh)
 low_thresh - max(init_net high_thresh), min (0)

all other namespaces:
 high_thresh = max(init_net high_thresh), min(namespace's low_thresh)
 low_thresh = max(namespace's high_thresh), min(0)

The major issue with having low_thresh > high_thresh is that we'll
schedule eviction but never evict anything and thus rely only on the
timers.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-27 22:34:36 -07:00
..
netfilter inet: frag: set limits and make init_net's high_thresh limit global 2014-07-27 22:34:36 -07:00
addrconf_core.c net: clean up snmp stats code 2014-05-07 16:06:05 -04:00
addrconf.c ipv6: addrconf: implement address generation modes 2014-07-11 15:05:45 -07:00
addrlabel.c ipv6:fix checkpatch errors with assignment in if condition 2014-02-17 16:57:29 -05:00
af_inet6.c ipv6: Implement automatic flow label generation on transmit 2014-07-07 21:14:21 -07:00
ah6.c ah6: Use the IPsec protocol multiplexer API 2014-03-14 07:28:07 +01:00
anycast.c ipv6: enable anycast addresses as source addresses for datagrams 2014-01-22 21:57:05 -08:00
datagram.c net: Save TX flow hash in sock and set in skbuf on xmit 2014-07-07 21:14:21 -07:00
esp6.c esp6: Use the IPsec protocol multiplexer API 2014-03-14 07:28:07 +01:00
exthdrs_core.c ipv6: ipv6_find_hdr restore prev functionality 2014-02-27 18:27:26 -05:00
exthdrs_offload.c ipv6: Fix exthdrs offload registration. 2014-03-06 16:35:55 -05:00
exthdrs.c ipv6/exthdrs: accept tlv which includes only padding 2013-09-11 15:52:27 -04:00
fib6_rules.c ipv6: move IPV6_TCLASS_SHIFT into ipv6.h and define a helper 2014-01-15 15:53:18 -08:00
icmp.c net: add a sysctl to reflect the fwmark on replies 2014-05-13 18:35:08 -04:00
inet6_connection_sock.c net: support marking accepting TCP sockets 2014-05-13 18:35:09 -04:00
inet6_hashtables.c inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once 2013-10-19 19:45:35 -04:00
ip6_checksum.c udp: Generic functions to set checksum 2014-06-04 22:46:38 -07:00
ip6_fib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-12 13:19:14 -04:00
ip6_flowlabel.c net: ipv6: Introduce ip6_sk_dst_hoplimit. 2014-04-30 13:31:26 -04:00
ip6_gre.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ip6_icmp.c ipv6: Kill ipv6 dependency of icmpv6_send(). 2013-04-29 13:54:36 -04:00
ip6_input.c net: Fix memory leak if TPROXY used with TCP early demux 2014-01-27 16:22:11 -08:00
ip6_offload.c gre: Call gso_make_checksum 2014-06-04 22:46:38 -07:00
ip6_offload.h ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
ip6_output.c ipv6: remove obsolete comment in ip6_append_data() 2014-07-24 23:47:04 -07:00
ip6_tunnel.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ip6_vti.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ip6mr.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ipcomp6.c ipcomp6: Use the IPsec protocol multiplexer API 2014-03-14 07:28:07 +01:00
ipv6_sockglue.c ipv6: remove unnecessary break after return 2014-07-15 16:27:01 -07:00
Kconfig ip6_vti: Fix build when NET_IP_TUNNEL is not set. 2014-02-20 14:29:49 +01:00
Makefile xfrm6: Add IPsec protocol multiplexer 2014-03-14 07:28:07 +01:00
mcast.c ipv6: Fix MLD Query message check 2014-06-27 00:21:50 -07:00
mip6.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
ndisc.c neigh: remove exceptional & on function name 2014-07-24 23:23:31 -07:00
netfilter.c netfilter: Fix potential use after free in ip6_route_me_harder() 2014-05-09 02:36:39 +02:00
output_core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-11 16:02:55 -07:00
ping.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
proc.c inet: frag: don't account number of fragment queues 2014-07-27 22:34:36 -07:00
protocol.c net: remove outdated comment for ipv4 and ipv6 protocol handler 2013-11-28 18:47:51 -05:00
raw.c net: ipv6: Use BUG_ON 2014-07-11 15:06:38 -07:00
reassembly.c inet: frag: set limits and make init_net's high_thresh limit global 2014-07-27 22:34:36 -07:00
route.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-24 00:32:30 -04:00
sit.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
syncookies.c net: remove inet6_reqsk_alloc 2014-06-27 15:53:35 -07:00
sysctl_net_ipv6.c ipv6: Implement automatic flow label generation on transmit 2014-07-07 21:14:21 -07:00
tcp_ipv6.c net: Save TX flow hash in sock and set in skbuf on xmit 2014-07-07 21:14:21 -07:00
tcpv6_offload.c net-gre-gro: Fix a bug that breaks the forwarding path 2014-07-16 14:45:26 -07:00
tunnel6.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c gre: Call gso_make_checksum 2014-06-04 22:46:38 -07:00
udp.c sock: remove skb argument from sk_rcvqueues_full 2014-07-23 13:23:06 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c
xfrm6_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c xfrm6: Remove xfrm_tunnel_notifier 2014-03-14 07:28:08 +01:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-24 00:32:30 -04:00
xfrm6_policy.c xfrm6: Add IPsec protocol multiplexer 2014-03-14 07:28:07 +01:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c xfrm: make local error reporting more robust 2013-08-14 13:07:12 +02:00
xfrm6_tunnel.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00