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ipv4: remove ip_rt_secret timer (v4)

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A while back there was a discussion regarding the rt_secret_interval timer.
Given that we've had the ability to do emergency route cache rebuilds for awhile
now, based on a statistical analysis of the various hash chain lengths in the
cache, the use of the flush timer is somewhat redundant.  This patch removes the
rt_secret_interval sysctl, allowing us to rely solely on the statistical
analysis mechanism to determine the need for route cache flushes.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2010-05-08 01:57:52 -07:00 • committed by David S. Miller
parent e0e33280fe
commit 3ee943728f
3 changed files with 8 additions and 102 deletions
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kernel/sysctl_binary.c
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@ -224,7 +224,6 @@ static const struct bin_table bin_net_ipv4_route_table[] = {
{ CTL_INT, NET_IPV4_ROUTE_MTU_EXPIRES, "mtu_expires" },
{ CTL_INT, NET_IPV4_ROUTE_MIN_PMTU, "min_pmtu" },
{ CTL_INT, NET_IPV4_ROUTE_MIN_ADVMSS, "min_adv_mss" },
{ CTL_INT, NET_IPV4_ROUTE_SECRET_INTERVAL, "secret_interval" },
{}
};