Re: [RFC PATCH] rootfs: Use tmpfs for rootfs even if root= is given

[Greg Kroah-Hartman]

On Tue, Oct 31, 2023 at 11:44:17AM -0400, Stefan Berger wrote:
> rootfs currently does not use tmpfs if the root= boot option is passed
> even though the documentation about rootfs (added in 6e19eded3684) in
> Documentation/filesystems/ramfs-rootfs-initramfs.rst states:
> 
>   If CONFIG_TMPFS is enabled, rootfs will use tmpfs instead of ramfs by
>   default.  To force ramfs, add "rootfstype=ramfs" to the kernel command
>   line.

At this point in time, is there even any difference between ramfs and
tmpfs anymore?  Why would you want to choose one over the other here?

thanks,

greg k-h