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android_kernel_xiaomi_sm8350/net/ipv4
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Eric Dumazet d90bf5a976 [NET]: rt_check_expire() can take a long time, add a cond_resched() 
On commit 39c90ece75:

	[IPV4]: Convert rt_check_expire() from softirq processing to workqueue.

we converted rt_check_expire() from softirq to workqueue, allowing the
function to perform all work it was supposed to do.

When the IP route cache is big, rt_check_expire() can take a long time
to run.  (default settings : 20% of the hash table is scanned at each
invocation)

Adding cond_resched() helps giving cpu to higher priority tasks if
necessary.

Using a "if (need_resched())" test before calling "cond_resched();" is
necessary to avoid spending too much time doing the resched check.
(My tests gave a time reduction from 88 ms to 25 ms per
rt_check_expire() run on my i686 test machine)

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-14 16:14:05 -08:00
..
ipvs [IPVS]: Remove unused exports. 2007-11-12 21:25:24 -08:00
netfilter [NETFILTER]: nf_nat: fix memset error 2007-11-13 02:57:16 -08:00
af_inet.c [NET]: Forget the zero_it argument of sk_alloc() 2007-11-01 00:39:31 -07:00
ah4.c cleanup asm/scatterlist.h includes 2007-11-02 08:47:06 +01:00
arp.c [NET]: Make core networking code use seq_open_private 2007-10-10 16:55:33 -07:00
cipso_ipv4.c [NetLabel]: correct usage of RCU locking 2007-10-26 04:29:08 -07:00
datagram.c
devinet.c [IPV4]: When possible test for IFF_LOOPBACK and not dev == loopback_dev 2007-10-10 16:52:48 -07:00
esp4.c [NET]: Fix incorrect sg_mark_end() calls. 2007-10-30 21:29:29 -07:00
fib_frontend.c [IPV4]: Compact some ifdefs in the fib code. 2007-11-07 04:11:41 -08:00
fib_hash.c [NET]: Make core networking code use seq_open_private 2007-10-10 16:55:33 -07:00
fib_lookup.h
fib_rules.c [INET]: Small possible memory leak in FIB rules 2007-11-10 22:12:03 -08:00
fib_semantics.c [NETLINK]: Introduce nested and byteorder flag to netlink attribute 2007-10-10 16:49:16 -07:00
fib_trie.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
icmp.c [INET]: Unexport icmpmsg_statistics 2007-10-26 04:06:08 -07:00
igmp.c [NET]: Make core networking code use seq_open_private 2007-10-10 16:55:33 -07:00
inet_connection_sock.c [INET]: Justification for local port range robustness. 2007-10-18 22:00:17 -07:00
inet_diag.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
inet_fragment.c [INET]: Consolidate frag queues freeing 2007-10-17 19:48:26 -07:00
inet_hashtables.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
inet_lro.c fix endianness bug in inet_lro 2007-10-14 12:41:52 -07:00
inet_timewait_sock.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
inetpeer.c [INET]: Use list_head-s in inetpeer.c 2007-11-12 21:27:28 -08:00
ip_forward.c [IPV4]: Uninline netfilter okfns 2007-10-15 12:26:35 -07:00
ip_fragment.c [NET]: Fix uninitialised variable in ip_frag_reasm() 2007-10-17 21:37:22 -07:00
ip_gre.c [NET]: Treat the sign of the result of skb_headroom() consistently 2007-10-23 21:27:55 -07:00
ip_input.c [IPV4]: Uninline netfilter okfns 2007-10-15 12:26:35 -07:00
ip_options.c
ip_output.c [IPV4]: Consolidate the ip cork destruction in ip_output.c 2007-11-07 04:08:25 -08:00
ip_sockglue.c [IPV4]: Clean the ip_sockglue.c from some ugly ifdefs 2007-11-07 04:08:55 -08:00
ipcomp.c [IPSEC]: Fix crypto_alloc_comp error checking 2007-11-07 04:15:03 -08:00
ipconfig.c [NET]: Wrap netdevice hardware header creation. 2007-10-10 16:52:50 -07:00
ipip.c [NET]: Treat the sign of the result of skb_headroom() consistently 2007-10-23 21:27:55 -07:00
ipmr.c [NET]: Make core networking code use seq_open_private 2007-10-10 16:55:33 -07:00
Kconfig typo fixes 2007-10-20 01:34:40 +02:00
Makefile [INET]: Collect frag queues management objects together 2007-10-15 12:26:39 -07:00
netfilter.c [NETFILTER]: Replace sk_buff ** with sk_buff * 2007-10-15 12:26:29 -07:00
proc.c [NET]: Define infrastructure to keep 'inuse' changes in an efficent SMP/NUMA way. 2007-11-07 04:08:57 -08:00
protocol.c
raw.c [IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure 2007-11-07 04:08:58 -08:00
route.c [NET]: rt_check_expire() can take a long time, add a cond_resched() 2007-11-14 16:14:05 -08:00
syncookies.c
sysctl_net_ipv4.c [INET]: Justification for local port range robustness. 2007-10-18 22:00:17 -07:00
tcp_bic.c
tcp_cong.c
tcp_cubic.c
tcp_diag.c [INET]: Let inet_diag and friends autoload 2007-10-22 02:59:54 -07:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c [TCP] FRTO: Clear frto_highmark only after process_frto that uses it 2007-11-14 15:55:09 -08:00
tcp_ipv4.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
tcp_lp.c
tcp_minisocks.c
tcp_output.c [TCP]: Limit processing lost_retrans loop to work-to-do cases 2007-10-11 17:36:13 -07:00
tcp_probe.c [NET]: Make /proc/net per network namespace 2007-10-10 16:49:06 -07:00
tcp_scalable.c
tcp_timer.c
tcp_vegas.c [TCP] vegas: Fix a bug in disabling slow start by gamma parameter. 2007-10-29 22:37:25 -07:00
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
tunnel4.c [INET]: Cleanup the xfrm4_tunnel_(un)register 2007-11-10 21:48:54 -08:00
udp_impl.h
udp.c [IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure 2007-11-07 04:08:58 -08:00
udplite.c [IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure 2007-11-07 04:08:58 -08:00
xfrm4_input.c [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
xfrm4_mode_beet.c [IPSEC]: Add missing BEET checks 2007-10-17 21:31:50 -07:00
xfrm4_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm4_mode_tunnel.c [IPSEC]: Add missing BEET checks 2007-10-17 21:31:50 -07:00
xfrm4_output.c [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
xfrm4_policy.c [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
xfrm4_state.c [IPSEC]: Store afinfo pointer in xfrm_mode 2007-10-17 21:33:12 -07:00
xfrm4_tunnel.c [IPSEC]: Move tunnel parsing for IPv4 out of xfrm4_input 2007-10-17 21:28:53 -07:00