Add a VM_OBJECT_LOCK_ASSERT() call.  Remove splvm() and splx() calls.  Move a comment.
Add a VM_OBJECT_LOCK_ASSERT() call.  Remove splvm() and splx() calls.  Move
a comment.

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