[LinuxBIOS] how to use ramdisk as rootfs

[zhu shi song]

In the past I used obsolete libc for kernel2.6. Where
can I get initrd with little footprint suitable for
kernel 2.6 diskless boot?  Now I'm testing  my old
rootfs using initrd as ramdisk rootfs.

    tks
    zhu

--- "Eric W. Biederman" <ebiederman at lnxi.com> wrote:

> Ronald G Minnich <rminnich at lanl.gov> writes:
> 
> > Richard Smith wrote:
> >>>support linux-2.6 kernel.  Can I convert my
> tar.gz
> >>>file to cpio format as initramfs and make kernel
> >>>uncompress it and mount it as rootfs on ramdisk
> >>>automatically?  I'm not so familiar with either
> initrd
> >>>or initramfs, where can I find more and clear
> info
> >>>about these topics?
> >> 
> >> 
> >> 
> >> There is a little bit of info about initramfs in
> the kernel tree.
> >> 
> >>
>
/Documentation/filesystems/ramfs-rootfs-initramfs.txt
> >> 
> >
> > I don't recommend initramfs -- just make a cpio
> initrd. Current 
> > initramfs support is bug-ridden.
> 
> To be clear a cpio format initrd is referred to as
> an initramfs.  There
> are no real implementation differences between the
> in kernel and
> initrd styles the only question is where does the
> cpio archive come
> from, and how is the cpio archive built.
> 
> Since the in kernel cpio archive builder has issues
> it does make sense
> to avoid it.
> 
> Eric
> 


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