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Hannes Frederic Sowa 8d2ca1d7b5 ipv6: avoid high order memory allocations for /proc/net/ipv6_route 
Dumping routes on a system with lots rt6_infos in the fibs causes up to
11-order allocations in seq_file (which fail). While we could switch
there to vmalloc we could just implement the streaming interface for
/proc/net/ipv6_route. This patch switches /proc/net/ipv6_route from
single_open_net to seq_open_net.

loff_t *pos tracks dst entries.

Also kill never used struct rt6_proc_arg and now unused function
fib6_clean_all_ro.

Cc: Ben Greear <greearb@candelatech.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-09-27 17:32:16 -04:00
..
9p for-linus-3.12-merge minor 9p fixes and tweaks for 3.12 merge window 2013-09-11 12:34:13 -07:00
bluetooth bluetooth: Remove extern from function prototypes 2013-09-23 16:29:41 -04:00
caif caif_hsi.h: Remove extern from function prototypes 2013-09-23 16:29:41 -04:00
irda irda: Remove extern from function prototypes 2013-09-23 16:29:42 -04:00
iucv af_iucv: fix recvmsg by replacing skb_pull() function 2013-04-08 17:16:57 -04:00
netfilter netfilter: Remove extern from function prototypes 2013-09-23 16:29:42 -04:00
netns Revert "net: sctp: convert sctp_checksum_disable module param into sctp sysctl" 2013-08-09 13:09:41 -07:00
nfc NFC: netlink: Add result of firmware operation to completion event 2013-08-14 01:12:58 +02:00
phonet
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sctp sctp: Remove extern from function prototypes 2013-09-23 16:29:42 -04:00
tc_act
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act_api.h net: Remove extern from include/net/ scheduling prototypes 2013-07-31 17:24:22 -07:00
addrconf.h vxlan: add ipv6 proxy support 2013-08-31 22:30:01 -04:00
af_ieee802154.h
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af_rxrpc.h af_rxrpc.h: Remove extern from function prototypes 2013-07-31 17:50:01 -07:00
af_unix.h af_unix: improve STREAM behavior with fragmented memory 2013-08-10 01:16:44 -07:00
af_vsock.h VSOCK: Move af_vsock.h and vsock_addr.h to include/net 2013-07-27 22:14:06 -07:00
ah.h
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arp.h arp/neighbour.h: Remove extern from function prototypes 2013-07-31 17:50:02 -07:00
atmclip.h
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ax25.h ax25.h: Remove extern from function prototypes 2013-07-31 17:50:02 -07:00
ax88796.h
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busy_poll.h net: add cpu_relax to busy poll loop 2013-08-28 17:45:48 -04:00
cfg80211-wext.h
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cfg80211.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-08-29 14:08:24 -04:00
checksum.h checksum: Remove extern from function prototypes 2013-07-31 17:50:02 -07:00
cipso_ipv4.h
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cls_cgroup.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-09-05 14:54:29 -07:00
codel.h codel: refine one condition to avoid a nul rec_inv_sqrt 2012-08-10 16:52:54 -07:00
compat.h compat.h: Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
datalink.h
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dcbevent.h dcbevent.h: Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dcbnl.h
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dn.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dn_dev.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dn_fib.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dn_neigh.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dn_nsp.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dn_route.h decnet (dn*.h): Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dsa.h
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dsfield.h ipv6: Optimize ipv6_change_dsfield(). 2013-01-09 23:59:53 -08:00
dst.h dst.h: Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
dst_ops.h net: Fix warnings in dst_ops.h 2012-07-19 10:43:03 -07:00
esp.h esp.h: Remove extern from function prototypes 2013-09-20 14:49:32 -04:00
ethoc.h
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fib_rules.h fib_rules.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
firewire.h firewire net, ipv4 arp: Extend hardware address and remove driver-level packet inspection. 2013-03-26 12:32:13 -04:00
flow.h flow.h/flow_keys.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
flow_keys.h flow.h/flow_keys.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
garp.h garp.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
gen_stats.h gen_stats.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
genetlink.h genetlink.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
gre.h net: gre: move GSO functions to gre_offload 2013-07-03 14:37:39 -07:00
gro_cells.h gro: Fix kcalloc argument order 2013-01-27 22:46:33 -05:00
icmp.h icmp.h: Remove extern from function prototypes 2013-09-20 14:49:33 -04:00
ieee80211_radiotap.h mac80211: add radiotap flag and handling for 5/10 MHz 2013-07-16 09:58:05 +03:00
ieee802154.h
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ieee802154_netdev.h ieee802154/nl-mac.c: make some MLME operations optional 2013-04-08 12:00:16 -04:00
if_inet6.h net: ipv6: mld: fix v1/v2 switchback timeout to rfc3810, 9.12. 2013-09-04 14:53:20 -04:00
inet6_connection_sock.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet6_hashtables.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet_common.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet_connection_sock.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet_ecn.h net: Correct comparisons and calculations using skb->tail and skb-transport_header 2013-05-28 23:49:07 -07:00
inet_frag.h net: frag, fix race conditions in LRU list maintenance 2013-05-06 11:06:51 -04:00
inet_hashtables.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet_sock.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inet_timewait_sock.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
inetpeer.h inet*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ip.h ip*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ip6_checksum.h ipv6: move csum_ipv6_magic() and udp6_csum_init() into static library 2013-01-08 17:56:10 -08:00
ip6_fib.h ipv6: avoid high order memory allocations for /proc/net/ipv6_route 2013-09-27 17:32:16 -04:00
ip6_route.h ip*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ip6_tunnel.h tunnels: harmonize cleanup done on skb on xmit path 2013-09-04 00:27:25 -04:00
ip_fib.h ip*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ip_tunnels.h tunnels: harmonize cleanup done on skb on xmit path 2013-09-04 00:27:25 -04:00
ip_vs.h ip*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ipcomp.h
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ipconfig.h
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ipv6.h ip*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ipx.h ipx.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
iw_handler.h iw_handler.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
lapb.h lapb.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
lib80211.h hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
llc.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_c_ac.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_c_ev.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_c_st.h
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llc_conn.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_if.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_pdu.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_s_ac.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_s_ev.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
llc_s_st.h
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llc_sap.h llc*.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
mac80211.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-08-29 14:08:24 -04:00
mac802154.h
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mip6.h
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mld.h net: ipv6: mld: get rid of MLDV2_MRC and simplify calculation 2013-09-04 14:53:20 -04:00
mrp.h mrp.h: Remove extern from function prototypes 2013-09-21 14:01:38 -04:00
ndisc.h ndisc.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
neighbour.h arp/neighbour.h: Remove extern from function prototypes 2013-07-31 17:50:02 -07:00
net_namespace.h net_namespace.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
net_ratelimit.h
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netdma.h
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netevent.h netevent/netlink.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
netlabel.h userns: Convert the audit loginuid to be a kuid 2012-09-17 18:08:54 -07:00
netlink.h netevent/netlink.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
netprio_cgroup.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-09-05 14:54:29 -07:00
netrom.h netrom.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
nexthop.h
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nl802154.h
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p8022.h p8022.h: Remove extern from function prototypes 2013-09-21 14:01:39 -04:00
ping.h ping.h: Remove extern from function prototypes 2013-09-23 01:51:07 -04:00
pkt_cls.h net: Remove extern from include/net/ scheduling prototypes 2013-07-31 17:24:22 -07:00
pkt_sched.h qdisc: allow setting default queuing discipline 2013-08-31 00:32:32 -04:00
protocol.h protocol.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
psnap.h psnap.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
raw.h raw/rawv6.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
rawv6.h raw/rawv6.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
red.h
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regulatory.h regulatory: use RCU to protect last_request 2013-01-03 13:01:30 +01:00
request_sock.h request_sock.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
rose.h rose.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
route.h route.h: Remove extern from function prototypes 2013-09-23 01:51:08 -04:00
rtnetlink.h rtnetlink.h: Remove extern from function prototypes 2013-09-23 01:51:09 -04:00
sch_generic.h net_sched: add u64 rate to psched_ratecfg_precompute() 2013-09-20 14:41:02 -04:00
scm.h scm.h: Remove extern from function prototypes 2013-09-23 01:51:09 -04:00
secure_seq.h secure_seq.h: Remove extern from function prototypes 2013-09-23 01:51:09 -04:00
slhc_vj.h
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snmp.h net: avoid reloads in SNMP_UPD_PO_STATS 2012-08-06 13:40:47 -07:00
sock.h sock.h: Remove extern from function prototypes 2013-09-23 01:51:09 -04:00
stp.h stp.h: Remove extern from function prototypes 2013-09-23 01:51:09 -04:00
tcp.h tcp: syncookies: reduce cookie lifetime to 128 seconds 2013-09-24 10:39:58 -04:00
tcp_memcontrol.h
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tcp_states.h
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timewait_sock.h
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transp_v6.h transp_v6.h: style neatening 2013-06-04 16:43:42 -07:00
udp.h udp.h: Remove extern from function prototypes 2013-09-23 16:29:40 -04:00
udplite.h udplite.h: Remove extern from function prototypes 2013-09-23 16:29:40 -04:00
vsock_addr.h VSOCK: Move af_vsock.h and vsock_addr.h to include/net 2013-07-27 22:14:06 -07:00
vxlan.h vxlan: Notify drivers for listening UDP port changes 2013-09-05 12:44:30 -04:00
wext.h wext.h: Remove extern from function prototypes 2013-09-23 16:29:40 -04:00
wimax.h wimax.h: Remove extern from function prototypes 2013-09-23 16:29:41 -04:00
wpan-phy.h
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x25.h x25.h: Remove extern from function prototypes 2013-09-23 16:29:41 -04:00
x25device.h
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xfrm.h xfrm.h: Remove extern from function prototypes 2013-09-23 16:29:41 -04:00