Addendum to r254141: Allow recursion on the free pages queues lock in vm_page_alloc_freelist().
Addendum to r254141: Allow recursion on the free pages queues lock in
vm_page_alloc_freelist().

Reported and tested by:	sbruno
Sponsored by:	EMC / Isilon Storage Division

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