|  > i think you should be careful about not protecting it.   by placing
|  > a page that has possible active mappings on the inactive queue you are
|  > violating one of the assumptions that i wrote the rest of the code with
|  > and it could cause trouble later....
| 
| Yah, I'm making a sweep through the code.  You just have to be careful
| dealing with the PG_CLEAN bit.  Looks like the only place that really
| needs help is uvm_mk_pcluster().  And it looks like it might not even
| be *THAT* bad.

It seems like these assumptions, regardless of whether they are changed,
should be documented in section 9.

--jhawk