[PATCH] pinctrl: Remove hole in pinctrl_gpio_range
linus.walleij at linaro.org
Thu Nov 5 08:57:44 EST 2020
On Wed, Oct 28, 2020 at 3:51 PM Geert Uytterhoeven
<geert+renesas at glider.be> wrote:
> On 64-bit platforms, pointer size and alignment are 64-bit, hence two
> 4-byte holes are present before the pins and gc members of the
> pinctrl_gpio_range structure. Get rid of these holes by moving the
> pins pointer.
> This reduces kernel size of an arm64 Rockchip kernel by ca. 512 bytes.
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
> Compile-tested only (arm/multi_v7_defconfig and arm64/defconfig).
Do you think it'd be worth it to add a check to checkpatch to suggest
to move pointers toward the end of any struct?
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