Defines starting with `u' in osfmk/vm

• UNLOCK_AND_DEALLOCATE osfmk/vm/vm_fault.c:2403
• UNLOCK_THINGS osfmk/vm/vm_fault.c:2767
• UPL_CLEAR_DIRTY osfmk/vm/vm_pageout.h:140
• UPL_COMPOSITE_LIST osfmk/vm/vm_pageout.h:141
• UPL_COMPOSITE_PAGE_LIST_MAX osfmk/vm/vm_pageout.h:114
• UPL_INTERNAL osfmk/vm/vm_pageout.h:142
• UPL_KERNEL_MAPPED osfmk/vm/vm_pageout.h:139
• UPL_PAGE_LIST_MAPPED osfmk/vm/vm_pageout.h:138