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Date: Mon, 31 Jan 2011 23:23:41 -0500
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From: Ryan Stone <rysto32@gmail.com>
To: Lawrence Stewart <lstewart@freebsd.org>
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Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>,
	Ali Mashtizadeh <mashtizadeh@gmail.com>, Neel Natu <neelnatu@gmail.com>
Subject: Re: Exporting kernel symbols
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Make sure that your module uses MODULE_DEPEND to note its dependency
on altq.  If altq is loaded as a module the kernel linker will only be
able to resolve symbols from altq if your module uses MODULE_DEPEND
properly.