--- a/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.inline.hpp	Wed Apr 06 13:32:48 2016 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.inline.hpp	Wed Apr 06 13:41:59 2016 +0200
@@ -27,6 +27,7 @@
 
 #include "gc/g1/g1CollectedHeap.inline.hpp"
 #include "gc/g1/g1ConcurrentMark.hpp"
+#include "gc/g1/suspendibleThreadSet.hpp"
 #include "gc/shared/taskqueue.inline.hpp"
 
 inline bool G1ConcurrentMark::par_mark(oop obj) {
@@ -258,4 +259,13 @@
   }
 }
 
+inline bool G1ConcurrentMark::do_yield_check() {
+  if (SuspendibleThreadSet::should_yield()) {
+    SuspendibleThreadSet::yield();
+    return true;
+  } else {
+    return false;
+  }
+}
+
 #endif // SHARE_VM_GC_G1_G1CONCURRENTMARK_INLINE_HPP