[systemd-devel] [PATCH] Add support for "ROOT=" on the kernel command line

[Harald Hoyer]

On 15.01.2015 16:24, harald at redhat.com wrote:
> From: Harald Hoyer <harald at redhat.com>
> 
> "ROOT=" mounts the initial ramdisk with a tmpfs filesystem.

Ok, not true. Omitting "root=" will mount the initial ramdisk as a tmpfs
filesystem, if tmpfs support is compiled in the kernel.

Seems like the preferred way of having the initrd as tmpfs, is to specify
"ROOT=" instead of "root=".