Simple read-modify-write operations on a vm object's flags, ref_count, and shadow_count can now rely on its mutex for synchronization.  Remove one use of Giant from vm_map_insert().
Simple read-modify-write operations on a vm object's flags, ref_count, and
shadow_count can now rely on its mutex for synchronization.  Remove one use
of Giant from vm_map_insert().

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