I don't know for sure, but I'm guessing the fact that it runs from a ramdisk means that it's probably more memory-constrained than a regular kernel, so they con

I don't know for sure, but I'm guessing the fact that it runs from a ramdisk means that it's probably more memory-constrained than a regular kernel, so they configure it to use as little memory as possible. Not much more, on modern systems with gigabytes of RAM, but moreso on older systems.