Re: [PATCH] net: compute a more reasonable default ip6_rt_max_size

[Eric Dumazet]

On Fri, 2012-05-25 at 17:44 -0700, Arun Sharma wrote:
> On 5/25/12 5:11 PM, David Miller wrote:
> 
> >> These were not admin configured routes. They were discovered via ipv6
> >> neighbor discovery.
> >
> > Then such default routes should either be:
> >
> > 1) Passed over by GC
> >
> > 2) Trigger neighbour discovery when GC'd
> 
> It's possible that there is a bug somewhere - we didn't get a chance to 
> dig deeper. What we observed is that as we got close to the 4096 limit, 
> some hosts were becoming unreachable. A modest increase in the routing 
> table size made things better.
> 
>   -Arun

But your patch is not a  "modest increase", so whats the deal ?

A modest increase would be 8192 instead of 4096, regardless of RAM size.



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