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@xxxxxxxxx> --- Compile-tested only (arm/multi_v7_defconfig and arm64/defconfig). --- include/linux/pinctrl/pinctrl.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 2aef59df93d70550..70b45d28e7a9293b 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -51,8 +51,8 @@ struct pinctrl_pin_desc { * @id: an ID number for the chip in this range * @base: base offset of the GPIO range * @pin_base: base pin number of the GPIO range if pins == NULL - * @pins: enumeration of pins in GPIO range or NULL * @npins: number of pins in the GPIO range, including the base number + * @pins: enumeration of pins in GPIO range or NULL * @gc: an optional pointer to a gpio_chip */ struct pinctrl_gpio_range { @@ -61,8 +61,8 @@ struct pinctrl_gpio_range { unsigned int id; unsigned int base; unsigned int pin_base; - unsigned const *pins; unsigned int npins; + unsigned const *pins; struct gpio_chip *gc; }; -- 2.25.1