There is no need to release the pvh global lock around calls to pmap_get_pv_entry().  In fact, some callers already held it around calls. (In earlier versions, the same statements would apply to the page queues lock.)
There is no need to release the pvh global lock around calls to
pmap_get_pv_entry().  In fact, some callers already held it around calls.
(In earlier versions, the same statements would apply to the page queues
lock.)

While I'm here tidy up the style of a few nearby statements and revise
some comments.

Tested by:	Ian Lepore

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase