David Woodhouse wrote:
>
> On 29 Oct 2000, H. Peter Anvin wrote:
>
> > > I want my / to be a ramfs filesystem. I intend to populate it from an
> > > initrd image, and then remount / as the ramfs filesystem. Is that at
> > > all possible? The way I see it the kernel requires / on a device
> > > (major,minor) or nfs.
> > >
> > > Am I out of luck using ramfs as /? If it's easy to fix, how do I fix it?
> > >
> >
> > Use pivot_root instead of the initrd stuff in /proc/sys.
>
> Urgh. Then you're still using an initrd, and you still have to include all
> the crap necessary to support those horrid block-device thingies.
>
> Why not just use a ramdisk?
>
Pardon?! This doesn't make any sense...
The question was: how do switch from the initrd to using the ramfs as /?
Using pivot_root should do it (after the pivot, you can of course nuke
the initrd ramdisk.)
-hpa
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