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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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include/net/netns/ipv4.h
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@@ -55,7 +55,6 @@ struct netns_ipv4 {
int sysctl_rt_cache_rebuild_count;
int current_rt_cache_rebuild_count;
struct timer_list rt_secret_timer;
atomic_t rt_genid;
#ifdef CONFIG_IP_MROUTE