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Date: Thu, 21 Oct 2010 09:52:21 +0100 (BST)
From: Robert Watson <rwatson@FreeBSD.org>
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To: Alexander Best <arundel@freebsd.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: addition of sysctl nodes after compile time
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On Tue, 19 Oct 2010, Alexander Best wrote:

> does this limitation still exist?

Sysctls can be added dynamically using the sysctl_add_oid(9) KPI, which has 
existed (as far as I'm aware) at least since FreeBSD 4.x.  It could be that 
this KPI provides the functionality required to do what the comment describes.

Robert