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SubjectRe: Using cramfs as root filesystem on diskless machine
Hi, David.
David Woodhouse wrote:

>Where does the bootloader get the initrd from?
Bootloader only jumps to the kernel entry point. The initrd image is
inside the kernel. ( special section in the ELF kernel binary )
If 'root=/dev/ram' option is set in command line, the root file system
will bi in
RAM. When the linux kernel is booting, it tries to identify_ramdisk_image()
( at drivers/block/rd.c ). So it can only understand ext2, minix, romfs,
and gzipped images. But what about cramfs? How can i use a cramfs image
to mount
it as my root file system? Is any patches to the rd.c requiried?

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