From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: route/max_size sysctl in ipv4
Date: Mon, 05 Jan 2015 19:36:14 -0500 (EST)
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From: Ani Sinha <ani@arista.com>
Date: Mon, 5 Jan 2015 15:48:11 -0800

> I am looking at the code and it looks like since the route cache for
> ipv4 was removed from the kernel, this sysctl parameter no longer
> serves the same purpose. It does not look like it is even used in the
> ipv4/route.c module. Is there an equivalent sysctl parameter limiting
> the number of route entries in the kernel? Or is there now no
> mechanism to limit the number of route entries?

There is nothing to limit, since the cache was removed.