On Tue, Feb 14, 2023 at 09:40:14AM +0100, Christophe JAILLET wrote: > Group some bool variables to reduce hole and avoid padding. > On x86_64, this shrinks the size from 136 to 128 bytes. > > As an example: > > $ size drivers/base/regmap/regmap-fsi.o (Before) > text data bss dec hex filename > 4837 136 0 4973 136d drivers/base/regmap/regmap-fsi.o > > $ size drivers/base/regmap/regmap-fsi.o (After) > text data bss dec hex filename > 4701 136 0 4837 12e5 drivers/base/regmap/regmap-fsi.o FYI: we have scripts/bloat-o-meter for this. -- With Best Regards, Andy Shevchenko
