Also, I've been messing with busybox, but menuconfig is broken for me, so I can't selectively decide what is including vs what isn't without manually editing every MAKEFILE in the structure. It's not going so well, but the basic busybox from defconfig is only 1MB. We could just use that and then include format_flash separately. Still looking into it all right now. With mtd_utils, I think I can actually get all the flash info I need for offsets without needing mtty