Re: [PATCH] MIPS: Malta: Enable BLK_DEV_INITRD

[Thomas Bogendoerfer <tsbogend@alpha.franken.de>]

On Tue, Feb 08, 2022 at 12:17:26PM -0700, Nathan Chancellor wrote:
> This configuration is useful for boot testing malta_defconfig in QEMU
> with just a simple cpio initrd, instead of a full ext4 rootfs.
> 
> This results in an increase of ~164KB of vmlinux (with GCC 11.2.0):
> 
> $ diskus vmlinux.before
> 11.19 MB (11,194,368 bytes)
> 
> $ diskus vmlinux.after
> 11.36 MB (11,358,208 bytes)
> 
> This size increase comes from the fact that usr/Kconfig is sourced when
> CONFIG_BLK_DEV_INITRD is enabled, which defaults to supporting several
> decompression algorithms for compressed initrds. This seems like a
> reasonable tradeoff but these configurations could be disabled in the
> future if there are complaints about the size increase.
> 
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> ---
>  arch/mips/configs/malta_defconfig | 1 +
>  1 file changed, 1 insertion(+)

applied to mips-next.

Thomas.

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