    Fix bug in a KASSERT I introduced in vm_page_qcollapse() rev 1.139.
    Fix bug in a KASSERT I introduced in vm_page_qcollapse() rev 1.139.

    Since paging is in progress, page scan in vm_page_qcollapse() must be
    protected at atleast splbio() to prevent pages from being ripped out from
    under the scan.

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