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Date:	Sat, 08 May 2010 08:36:37 +0200
From:	Eric Dumazet <>
To:	Neil Horman <>
Subject: Re: [PATCH] ipv4: remove ip_rt_secret timer (v4)

Le vendredi 07 mai 2010 à 21:01 -0400, Neil Horman a écrit :
> Hey, Had a moment tonight so I spun version 4 of the patch.
> Change notes:
> 1) Redid the initialization, in light of Erics clarification.  We randomly seed
> all 32 bits of the rt_genid for a netns, but still just do 256 byte
> modifications on cache invalidations
> 2) got rid of the dup checking crap.
> Summary:
> 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 <>

Acked-by: Eric Dumazet <>

Sorry for the confusion Neil, thanks !

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