[arch-general] xz compression in kernel 2.6.38

Gaetan Bisson bisson at archlinux.org
Wed Mar 16 10:39:17 EDT 2011

[2011-03-16 19:58:23 +0530] KESHAV P.R.:
> Now that kernel 2.6.38 supports xz (lzma2, not lzma), how
> about using it as the default compression for the kernel and
> initramfs. mkinitcpio simply requires COMPRESSION="xz" to generate
> lzma2 compressed initramfs. But xz compressed kernel requires change
> in the config option and once module-init-toools supports xz
> compressed modules we can say good bye to gzip.

Since XZ decompresses much more slowly than GZIP, this does not seem
like a good idea unless it is backed up by figures showing that the
space gain is really worth it.


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