-#define MEMORYSTATUS_FLAGS_SNAPSHOT_TAKE_OWNERSHIP 0x20 /* Only used by xnu unit tests. */
-#define MEMORYSTATUS_FLAGS_SNAPSHOT_DROP_OWNERSHIP 0x40 /* Only used by xnu unit tests. */
+#define MEMORYSTATUS_FLAGS_SET_TESTING_PID 0x20 /* Only used by xnu unit tests. */
+#define MEMORYSTATUS_FLAGS_UNSET_TESTING_PID 0x40 /* Only used by xnu unit tests. */