Variables starting with `d' in vm

• data vm/todo:9
• devicepagerops vm/vm_pager.c:87
• dev_pager_fakelist vm/device_pager.c:57
• dev_pager_list vm/device_pager.c:56
• devp_object vm/device_pager.h:50
• dfltpagerops vm/vm_pager.h:105
• doclustered_pageout vm/vm_pageout.c:92
• dpagerdebug vm/device_pager.c:60