[klibc] "Destructive" utilities
H. Peter Anvin
hpa at zytor.com
Mon Jun 7 11:26:35 PDT 2004
Alexander E. Patrakov wrote:
> Also, to make life for script-writers simpler, we could consider writing
> a "glue" program that has the following synopsis:
> glue real_root program args
> The "glue" program removes all files except "real_root" directory from
> the / directory (including itself), remounts that directory on the root
> directory, chroots there and execs the specified program with the
> remaining arguments.
> Rationale: without this, it is impossible to completely reclaim the
> initramfs memory from the script since at least the "chroot" binary must
> exist before chrooting from a script, and it can't be removed after chroot.
This seems like it should move into kinit, I'm not sure... opinions?
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