AppCDS only used in G1GC?

[yumin qi]

MetaspaceShared::is_heap_object_archiving_allowed

static bool is_heap_object_archiving_allowed() {
   CDS_JAVA_HEAP_ONLY(return (UseG1GC && UseCompressedOops &&
UseCompressedClassPointers);)
   NOT_CDS_JAVA_HEAP(return false;)
 }


Thanks
Yumin