Nicholas Piggin <npiggin@xxxxxxxxx> writes: > 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, the resulting > kernel is almost 400kB smaller (and still boots): > > text data bss dec filename > 11827621 4810490 1341080 17979191 vmlinux > 11752437 4598858 1338776 17690071 vmlinux.dcde > > Mathieu's numbers for custom Mac Mini G4 config has almost 200kB > saving. It also had some increase in vmlinux size for as-yet > unknown reasons. > > text data bss dec filename > 7461457 2475122 1428064 11364643 vmlinux > 7386425 2364370 1425432 11176227 vmlinux.dcde > > Tested-by: Christophe Leroy <christophe.leroy@xxxxxx> [8xx] > Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx> [32-bit powermac] > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> > --- > arch/powerpc/Kconfig | 1 + > arch/powerpc/kernel/vmlinux.lds.S | 22 +++++++++++----------- > 2 files changed, 12 insertions(+), 11 deletions(-) I'm happy for this to go in via the kbuild tree. As long as it's in linux-next it will get tested by my CI which should hopefully shake out any bugs. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> cheers
