src/hotspot/share/gc/g1/g1YoungRemSetSamplingThread.cpp

rev 53920 : imported patch 8218880-g1-crashes-periodic-gc-gclocker

@@ -87,11 +87,13 @@
     return;
   }
   if ((os::elapsedTime() - _last_periodic_gc_attempt_s) > (G1PeriodicGCInterval / 1000.0)) {
     log_debug(gc, periodic)("Checking for periodic GC.");
     if (should_start_periodic_gc()) {
-      Universe::heap()->collect(GCCause::_g1_periodic_collection);
+      if (!G1CollectedHeap::heap()->attempt_collect(GCCause::_g1_periodic_collection, false)) {
+        log_debug(gc, periodic)("GC request denied. Skipping.");
+      }
     }
     _last_periodic_gc_attempt_s = os::elapsedTime();
   }
 }