linux-kernel - Re: Size of kernel modules

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Date:	Sat, 09 Jun 2007 08:08:31 -0400
From:	Jon Masters <jonathan@...masters.org>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
Cc:	"Robert P. J. Day" <rpjday@...dspring.com>,
	Kyle McMartin <kyle@...onical.com>,
	Christoph Pleger <Christoph.Pleger@...uni-dortmund.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Size of kernel modules

On Sat, 2007-06-09 at 09:55 +0200, Jan Engelhardt wrote:
> On Jun 8 2007 08:40, Robert P. J. Day wrote:
> >>
> >> If you disable CONFIG_DEBUG_KERNEL, things should go back to normal
> >> sizes for you.
> >
> >grow so much compared to *which other modules*?  the ones that came
> >with your distro?  if that's the case, try installing your new modules
> >with
> >
> >  # make INSTALL_MOD_STRIP=1 modules_install
> >
> >that makes a *huge* difference in the size of the installed modules,
> >as i learned when i first ran across this on my fedora core system.
> 
> Definitely. Running depmod on debug-enabled .ko files explodes in a segfault
> after depmod allocates more and more and more memory (exhausting both 
> my ram and swap).

So I missed half of this conversation - you're saying that on a
CONFIG_DEBUG_KERNEL, you have such large .ko module files that depmod
segfaults? Can I get a core dump or any further information? :-)

Jon.


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