On Saturday 13 June 2009, Marco wrote:
> void __init mount_root(void)
> {
> +#ifdef CONFIG_ROOT_PRAMFS
> + if (MAJOR(ROOT_DEV) == MEM_MAJOR) {
> + if (mount_pramfs_root())
> + return;
> +
> + printk(KERN_ERR "VFS: Unable to mount root fs via PRAMFS, trying floppy.\n");
> + ROOT_DEV = Root_FD0;
> + }
> +#endif
AFAICT, this will prevent booting from /dev/ram0 with a regular file system,
because that also uses MAJOR(ROOT_DEV) == 1.
Arnd <><
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