Re: [PATCH 1/2] kbuild: add target to install gzipped modules
From: Dave Jones
Date: Fri Dec 30 2011 - 10:38:12 EST
On Fri, Dec 30, 2011 at 11:23:58AM +0100, Michal Marek wrote:
> On 29.12.2011 18:21, Dave Jones wrote:
> > On Thu, Dec 29, 2011 at 01:50:18PM -0200, Lucas De Marchi wrote:
> > > Add target in Makefile to compress the module after it's installed.
> > > Module-init-tools and libkmod can handle gzipped modules.
> > >
> > > This is not much useful for distributions because the package will gzip
> > > the modules and call depmod in a install rule.
> > It might actually be a worthwhile thing for distributions.
> > For a Fedora kernel, gzipping modules saves around 80MB of diskspace per
> > installed kernel. That the RPM is compressed is irrelevant, the on-disk
> > footprint is more interesting, given that the bulk of the modules installed
> > will never even be loaded.
> But it kills performance of the tools.
How often do you run depmod ?
If modprobe is a bottleneck, you have other problems.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/