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bb1d23b026
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Eric Dumazet bb1d23b026 [IPV4]: Bug fix in rt_check_expire() 
- rt_check_expire() fixes (an overflow occured if size of the hash
  was >= 65536)

reminder of the bugfix:

The rt_check_expire() has a serious problem on machines with large
route caches, and a standard HZ value of 1000.

With default values, ie ip_rt_gc_interval = 60*HZ = 60000 ;

the loop count :

     for (t = ip_rt_gc_interval << rt_hash_log; t >= 0;


overflows (t is a 31 bit value) as soon rt_hash_log is >= 16  (65536
slots in route cache hash table).

In this case, rt_check_expire() does nothing at all

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-05 15:00:32 -07:00
..
802 [TOKENRING]: net/802/tr.c: s/struct rif_cache_s/struct rif_cache/ 2005-05-26 12:59:42 -07:00
8021q [PATCH] misc verify_area cleanups 2005-05-01 08:59:08 -07:00
appletalk [ATALK] aarp: replace schedule_timeout() with msleep() 2005-06-22 22:11:44 -07:00
atm [PATCH] misc verify_area cleanups 2005-05-01 08:59:08 -07:00
ax25 [AX25] Introduce ax25_type_trans 2005-04-24 18:53:06 -07:00
bluetooth [NET]: kill gratitious includes of major.h 2005-04-25 21:40:39 -07:00
bridge [NETFILTER]: Fix connection tracking bug in 2.6.12 2005-06-28 16:04:44 -07:00
core [NET]: Remove unused security member in sk_buff 2005-07-05 14:12:44 -07:00
decnet [DECNET]: Remove unnecessary initilization of unused variable entries 2005-06-18 22:55:02 -07:00
econet Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ethernet [NET]: Micro optimization in eth_header() 2005-06-28 15:49:06 -07:00
ipv4 [IPV4]: Bug fix in rt_check_expire() 2005-07-05 15:00:32 -07:00
ipv6 [IPV6]: Makes IPv6 rcv registration happen last during initialisation. 2005-07-05 14:41:20 -07:00
ipx Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irda [PATCH] ISA DMA Kconfig fixes - part 4 (irda) 2005-05-04 07:33:14 -07:00
key [IPSEC]: Add XFRM_STATE_NOPMTUDISC flag 2005-06-20 13:21:43 -07:00
lapb Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
netlink [NETLINK]: Fix two socket hashing bugs. 2005-06-26 15:31:51 -07:00
netrom Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
packet [PATCH] update Ross Biro bouncing email address 2005-05-05 16:36:49 -07:00
rose Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rxrpc [PATCH] Cleanup patch for process freezing 2005-06-25 17:10:13 -07:00
sched [PKT_SCHED]: Report rate estimator configuration errors during qdisc allocation 2005-07-05 14:15:53 -07:00
sctp [SCTP] Make init & delayed sack timeouts configurable by user. 2005-06-28 13:24:23 -07:00
sunrpc Merge Christoph's freeze cleanup patch 2005-06-25 17:16:53 -07:00
unix [AF_UNIX]: Use lookup_create(). 2005-05-19 12:26:43 -07:00
wanrouter [PATCH] misc verify_area cleanups 2005-05-01 08:59:08 -07:00
x25 [X25]: Fast select with no restriction on response 2005-06-22 22:16:17 -07:00
xfrm [IPSEC]: Add xfrm_state_afinfo->init_flags 2005-06-20 13:19:41 -07:00
compat.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
nonet.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
socket.c [NET]: dont use strlen() but the result from a prior sprintf() 2005-06-22 14:32:51 -07:00
sysctl_net.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
TUNABLE Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00