Re: Why does building modules from source make them so huge?

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Dave Jones wrote:
On Fri, Jan 14, 2005 at 11:49:05AM -0800, Rick Stevens wrote:
> Gang,
> > This is a really silly question, but when building kernels from the
> source RPMs (it'd be nice if we had the old RHL-style "kernel-source"
> RPMs, but one must do what one must do), what is the magic flag to
> include to make the modules NOT have the whole symbol table included?
> > As distributed, the binary kernel RPM module suite is something like
> 55MB. If you build it from source and do a "make modules_install", the
> modules suck up over 200MB. Running "strip" on any given module gets it
> down to a reasonable size, but it doesn't match the size of the one
> included in the binary RPM.
> > I'm obviously missing something here.


The rpmbuild process strips the debug data out of the module and
puts into a seperate debuginfo package. (Ever wonder why they were
so huge?)

For local builds, I'd recommend turning off the CONFIG_DEBUG_INFO option
unless you're going to need it.

That was the magic bullet, Dave. Thanks.

Funny that I didn't catch that.

	# echo `who_smarter rick box_of_rocks`
	box_of_rocks
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens@xxxxxxxxxxxxxxx -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-      We are born naked, wet and hungry. Then things get worse.     -
----------------------------------------------------------------------


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