src/hotspot/share/gc/z/zMarkStackAllocator.cpp

*** 108,118 ****
    // Expand
    os::commit_memory_or_exit((char*)_end, expand_size, false /* executable */, "Mark stack space");
  
    // Increment top before end to make sure another
    // thread can't steal out newly expanded space.
!   addr = Atomic::add(&_top, size) - size;
    Atomic::add(&_end, expand_size);
  
    return addr;
  }
  
--- 108,118 ----
    // Expand
    os::commit_memory_or_exit((char*)_end, expand_size, false /* executable */, "Mark stack space");
  
    // Increment top before end to make sure another
    // thread can't steal out newly expanded space.
!   addr = Atomic::fetch_and_add(&_top, size);
    Atomic::add(&_end, expand_size);
  
    return addr;
  }