src/hotspot/share/gc/shared/collectedHeap.hpp

*** 502,512 ****
    // it for use during safepoint cleanup. This is only possible
    // if the GC can pause and resume concurrent work (e.g. G1
    // concurrent marking) for an intermittent non-GC safepoint.
    // If this method returns NULL, SafepointSynchronize will
    // perform cleanup tasks serially in the VMThread.
!   virtual WorkGang* get_safepoint_workers() { return NULL; }
  
    // Support for object pinning. This is used by JNI Get*Critical()
    // and Release*Critical() family of functions. If supported, the GC
    // must guarantee that pinned objects never move.
    virtual bool supports_object_pinning() const;
--- 502,512 ----
    // it for use during safepoint cleanup. This is only possible
    // if the GC can pause and resume concurrent work (e.g. G1
    // concurrent marking) for an intermittent non-GC safepoint.
    // If this method returns NULL, SafepointSynchronize will
    // perform cleanup tasks serially in the VMThread.
!   virtual WorkGang* safepoint_workers() { return NULL; }
  
    // Support for object pinning. This is used by JNI Get*Critical()
    // and Release*Critical() family of functions. If supported, the GC
    // must guarantee that pinned objects never move.
    virtual bool supports_object_pinning() const;