netdev - Re: neighbour table overflow errors. leaking neighbours I think

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Message-Id: <20120113.191335.878480017420825771.davem@davemloft.net>
Date:	Fri, 13 Jan 2012 19:13:35 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	brucerjones@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: neighbour table overflow errors. leaking neighbours I think

From: Bruce Jones <brucerjones@...il.com>
Date: Fri, 13 Jan 2012 17:29:59 -0700

> I am seeing neighbour table overflow messages so I began exploring
> neighbour structure reference counts to try and understand the issue
> and see why they are not being reclaimed by the garbage collector.

Every route holds a reference to a neighbour entry, so until the
routes are purged or flushed, the neighbours can't be reclaimed.
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