--- a/src/hotspot/share/gc/serial/defNewGeneration.cpp	Wed Apr 11 11:41:30 2018 +0200
+++ b/src/hotspot/share/gc/serial/defNewGeneration.cpp	Wed Apr 11 13:51:33 2018 +0200
@@ -1006,9 +1006,11 @@
   // have to use it here, as well.
   HeapWord* result = eden()->par_allocate(word_size);
   if (result != NULL) {
+#if INCLUDE_ALL_GCS
     if (CMSEdenChunksRecordAlways && _old_gen != NULL) {
       _old_gen->sample_eden_chunk();
     }
+#endif
   } else {
     // If the eden is full and the last collection bailed out, we are running
     // out of heap space, and we try to allocate the from-space, too.
@@ -1022,9 +1024,11 @@
 HeapWord* DefNewGeneration::par_allocate(size_t word_size,
                                          bool is_tlab) {
   HeapWord* res = eden()->par_allocate(word_size);
+#if INCLUDE_ALL_GCS
   if (CMSEdenChunksRecordAlways && _old_gen != NULL) {
     _old_gen->sample_eden_chunk();
   }
+#endif
   return res;
 }