Avoid vm_page_lookup() [grabs a spinlock] and just process the upage object memq instead.
Avoid vm_page_lookup() [grabs a spinlock] and just process the upage
object memq instead.

Suggested by:	alc

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