src/hotspot/share/gc/parallel/psYoungGen.cpp

@@ -728,10 +728,12 @@
   eden_space()->object_iterate(blk);
   from_space()->object_iterate(blk);
   to_space()->object_iterate(blk);
 }
 
+#if INCLUDE_SERIALGC
+
 void PSYoungGen::precompact() {
   eden_mark_sweep()->precompact();
   from_mark_sweep()->precompact();
   to_mark_sweep()->precompact();
 }

@@ -747,10 +749,12 @@
   from_mark_sweep()->compact(ZapUnusedHeapArea);
   // Mark sweep stores preserved markOops in to space, don't disturb!
   to_mark_sweep()->compact(false);
 }
 
+#endif // INCLUDE_SERIALGC
+
 void PSYoungGen::print() const { print_on(tty); }
 void PSYoungGen::print_on(outputStream* st) const {
   st->print(" %-15s", "PSYoungGen");
   st->print(" total " SIZE_FORMAT "K, used " SIZE_FORMAT "K",
              capacity_in_bytes()/K, used_in_bytes()/K);