Messages in this thread | | | Date | Thu, 6 Apr 2006 17:41:53 -0700 | From | Valerie Henson <> | Subject | Re: Remove unused exports and save 98Kb of kernel size |
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On Mon, Apr 03, 2006 at 04:10:27PM +0200, J?rn Engel wrote: > On Sat, 1 April 2006 23:05:45 +0200, Arjan van de Ven wrote: > > > > I've made a patch to remove all EXPORT_SYMBOL's that aren't used in the > > kernel; it's too big for the list so it can be found at > > > > http://www.kernelmorons.org/unexport.patch > > > > -rwxr-xr-x 1 root root 34476416 Apr 1 21:59 vmlinux.before > > -rwxr-xr-x 1 root root 34378112 Apr 1 22:48 vmlinux.after > > > > As you can see this saves 98Kb kernel size... that's not peanuts. > > > > Signed-off-by: Arjan van de Ven <arjan@kernelmorons.org> > > Is there a reason that you always leave the newline instead of > removing it as well? Looks script-generated, so it should be a simple > change for the script to remove the newline as well.
Because it wasn't worth fixing for a silly April Fool's joke? :)
> On Sat, 1 April 2006 23:05:45 +0200, Arjan van de Ven wrote: ^^^^^^^ > > http://www.kernelmorons.org/unexport.patch ^^^^^^^^^^^^^^^^
Of course, there's a serious side to this patch. Who knows how many of these exported symbols are actually used? I can imagine a config option to turn off these symbols which is shipped as on by default for a few weeks, in order to flush out people who are actually using these symbols.
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