uvm_map_entry_unlink 1524 uvm/uvm_map.c  		uvm_map_entry_unlink(map, entry);
uvm_map_entry_unlink 1747 uvm/uvm_map.c  		uvm_map_entry_unlink(map, oldent);
uvm_map_entry_unlink 2029 uvm/uvm_map.c  				uvm_map_entry_unlink(srcmap, oldentry);