Is there any advantage of tmpfs if I need mfs to boot the root-filesystem?

(at least I can reuse mfs in /tmp later on)

Perry E. Metzger wrote:

>Marcin Jessa <lists@yazzy.org> writes:
>  
>
>>What would be the advantages of using tmpfs over mfs as memory file
>>system? 
>>    
>>
>
>Others have mentioned part of this, but let me mention something
>others have not: if you sometimes need a big /tmp but mostly you
>don't, tmpfs can win because it can allocate and free memory
>easily. mfs cannot -- it is one fixed size (though it is pageable.)
>
>The other thing folks haven't mentioned: in theory at least (I don't
>know if this is broken at the moment), mmaps of tmpfs don't allocate
>new pages. That can be a big win in an embedded context.
>
>Perry
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>