Re: Is initramfs freed after kernel is booted?

From: "Andrey Borzenkov"
Date: Mon Nov 17 2003 - 10:23:58 EST




-----Original Message-----

>
> Jeff Garzik wrote:
> > Andrey Borzenkov wrote:
> >
> >> Apparently not:
> >>
> >> {pts/1}% head -2 /proc/mounts
> >> rootfs / rootfs rw 0 0
> >> /dev/root / reiserfs rw 0 0
> >>
> >> at least it is still mounted. Is there any way to free it?
>
> > rootfs is always present. It's the root, as the name implies :)
>
> He's got two root filesystems, one on top of the other. It should be
> possible to pivot root rather than mount the second one, thus freeing up
> the memory from the initramfs.
>

my example is after pivot_root. I still have two roots.

To clarify. I want to replace initrd with initramfs. Given all
the stuff may be put in it can easily be expanded to a couple of MBs.
initrd frees this. I do not want to waste RAM to leave them in initramfs.

thank you

-andrey
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