[Letux-kernel] compressing kernel

H. Nikolaus Schaller hns at goldelico.com
Sat Oct 26 19:09:10 CEST 2019


Hi,

> Am 26.10.2019 um 16:11 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> Hi,
> 
> I have just played around with compression options and found that
> we are still  < 4MB with lzma

Would be nice!

Although we have 6 MB in NAND for GTA04 and plenty of space on µSD
for all others.

> 
> That can be switched by
> # CONFIG_KERNEL_GZIP is not set
> CONFIG_KERNEL_LZMA=y

Yes, it is the default in omap2plus_defconfig AFAIK.

> Downside is a lot slower compression and a bit slower decompression
> (still faster than bzip2).

And that all our u-boot binaries do not understand it.

Unfortunately, the latest stuff is not always the best :(

BR,
Nikolaus



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