* Strategy of 1/19/85:
* lotsfree is 512k bytes, but at most 1/4 of memory
* desfree is 200k bytes, but at most 1/8 of memory
* Strategy of 1/19/85:
* lotsfree is 512k bytes, but at most 1/4 of memory
* desfree is 200k bytes, but at most 1/8 of memory