Re: [PATCH 4/4] powerpc: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selected

Nicholas Piggin
2018-04-20T10:41:15Z

On Fri, 20 Apr 2018 12:00:49 +0200
Mathieu Malaterre <malat@debian.org> wrote:

> On Fri, Apr 20, 2018 at 9:34 AM, Nicholas Piggin <npiggin@gmail.com> wrote:
> > This requires further changes to linker script to KEEP some tables
> > and wildcard compiler generated sections into the right place. This
> > includes pp32 modifications from Christophe Leroy.
> >
> > When compiling powernv_defconfig with this option:
> >
> > text data bss dec filename
> > 11827621 4810490 1341080 17979191 vmlinux
> > 11752437 4598858 1338776 17690071 vmlinux.dcde
> >
> > Resulting kernel is almost 400kB smaller (and still boots).
> >
> > [ppc32 numbers here]
>
> ^^^
>
> Do you want somebody else to provide those numbers ?

If you have a booting kernel, yes some more numbers would be good.

Thanks,
Nick