[arch-dev-public] rootprefix change for kmod 10

Thomas Bächler thomas at archlinux.org
Fri Sep 7 05:31:55 EDT 2012

Am 07.09.2012 10:49, schrieb Evangelos Foutras:
>> I looked into this in the past and intended to suggest the same . If I
>> remember correctly the installed size savings is 80MB, but if you use
>> filesystem level compression the savings is only between 10MB and 40MB
>> (hopefully a future btrfs release will allow us to get numbers with
>> better precision). Also, the package size becomes smaller if the
>> modules are not compressed separately, but I forgot exactly by how
>> much.
> Just checked with linux-3.5.3-1-x86_64.
> gzipped modules
> ---------------
> package: 42M
> installed: 59M
> uncompressed modules
> --------------------
> package: 30M
> installed: 142M
> I prefer the much smaller installed size myself. :)

Thanks for those numbers, that is about how I remember it.

Regarding Tom's comment about file system level compression: The only
file system we support that does this is btrfs, which is still
considered experimental. The .gz compression benefits the majority of
our users.

If depmod is buggy regarding the .gz modules, then it should be fixed (I
remember it behaved inconsistently when mixing compressed and
non-compressed modules).

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