Re: [PATCH] gpio: make several const arrays static, shrinks object size

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Apr 18, 2018 at 06:26:34PM +0100, Colin King wrote:
>From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
>Don't populate the const read-only arrays 'port' on the stack but
>instead make them static. Makes the object code smaller:
>
>Before:
>  text    data     bss     dec    hex filename
>  8542    4088     672   13302   33f6 drivers/gpio/gpio-gpio-mm.o
> 10959    4952     832   16743   4167 drivers/gpio/gpio-104-dio-48e.o
>  9022    5064    1408   15494   3c86 drivers/gpio/gpio-104-idi-48.o
>
>After:
>  text    data     bss     dec    hex filename
>  8372    4144     672   13188   3384 drivers/gpio/gpio-gpio-mm.o
> 10790    5008     832   16630   40f6 drivers/gpio/gpio-104-dio-48e.o
>  8853    5152    1408   15413   3c35 linux/drivers/gpio/gpio-104-idi-48.o
>
>(gcc version 7.2.0 x86_64)
>
>Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-gpio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux SPI]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux