Marcin Jessa wrote:
> Yes, I want the rootfs not to be using memory of my devices and rather store all the configs on the CF.
> The rootfs will be mounted ro on the CF and never change/get written to, except for system upgrades.
> I will mount /tmp as a rw memory file system instead and create a couple of symlinks for applications that need write to the CF, like dhclient etc.
> All the memory avaliable on the device can then be used to run the applications instead.
> 
> I've been running devices with md0 mounted / but that makes no sense having a robust rw device like CF.

Why not get rid of of the MEMORY_* options entirely then? You're 
basically asking how to revert to standard behaviour after changing to a 
memory disk root, unless I completey misunderstand your issue?

Regards,

ND