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From: David Miller <davem@davemloft.net>
Subject: Re: ipv4: Simplify ARP hash function.
Date: Fri, 08 Jul 2011 13:35:36 -0700 (PDT)
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=46rom: Micha=A9=A9 Miros=A9=A9aw <mirqus@gmail.com>
Date: Fri, 8 Jul 2011 22:34:22 +0200

> BTW, am I correct, that neighbour hash tables never shrink? Looking a=
t
> net/core/neighbour.c it seems that after the table reaches gc_thresh3
> capacity, it is never reallocated again.

Currently, yes, but I plan to remove that limit.