sys/vm/swap_pager.c

896 swap_pager_copy(vm_object_t srcobject, vm_object_t dstobject,
901 	VM_OBJECT_ASSERT_WLOCKED(srcobject);
909 		if (srcobject->handle != NULL) {
912 			    NOBJLIST(srcobject->handle),
913 			    srcobject,
942 			    srcobject,
951 				vm_object_pip_add(srcobject, 1);
952 				VM_OBJECT_WUNLOCK(srcobject);
956 				VM_OBJECT_WLOCK(srcobject);
957 				vm_object_pip_wakeup(srcobject);
965 			swp_pager_meta_ctl(srcobject, i + offset, SWM_FREE);
976 		swp_pager_meta_free_all(srcobject);
979 		 * to destroy srcobject directly, but I'm doing it here
983 		srcobject->type = OBJT_DEFAULT;