src/share/vm/gc/shared/genCollectedHeap.cpp

*** 407,417 ****
           "incorrect thread type capability");
    assert(Heap_lock->is_locked(),
           "the requesting thread should have the Heap_lock");
    guarantee(!is_gc_active(), "collection is not reentrant");
  
!   if (GC_locker::check_active_before_gc()) {
      return; // GC is disabled (e.g. JNI GetXXXCritical operation)
    }
  
    GCIdMarkAndRestore gc_id_mark;
  
--- 407,417 ----
           "incorrect thread type capability");
    assert(Heap_lock->is_locked(),
           "the requesting thread should have the Heap_lock");
    guarantee(!is_gc_active(), "collection is not reentrant");
  
!   if (GCLocker::check_active_before_gc()) {
      return; // GC is disabled (e.g. JNI GetXXXCritical operation)
    }
  
    GCIdMarkAndRestore gc_id_mark;