src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

*** 191,201 ****
               NULL,                    // top
               NULL);                   // end
  
    set_desired_size(initial_desired_size());
  
!   // Following check is needed because at startup the main (primordial)
    // thread is initialized before the heap is.  The initialization for
    // this thread is redone in startup_initialization below.
    if (Universe::heap() != NULL) {
      size_t capacity   = Universe::heap()->tlab_capacity(myThread()) / HeapWordSize;
      double alloc_frac = desired_size() * target_refills() / (double) capacity;
--- 191,201 ----
               NULL,                    // top
               NULL);                   // end
  
    set_desired_size(initial_desired_size());
  
!   // Following check is needed because at startup the main
    // thread is initialized before the heap is.  The initialization for
    // this thread is redone in startup_initialization below.
    if (Universe::heap() != NULL) {
      size_t capacity   = Universe::heap()->tlab_capacity(myThread()) / HeapWordSize;
      double alloc_frac = desired_size() * target_refills() / (double) capacity;
*** 238,248 ****
      _reserve_for_allocation_prefetch = (AllocatePrefetchDistance + AllocatePrefetchStepSize * lines) /
                                         (int)HeapWordSize;
    }
  #endif
  
!   // During jvm startup, the main (primordial) thread is initialized
    // before the heap is initialized.  So reinitialize it now.
    guarantee(Thread::current()->is_Java_thread(), "tlab initialization thread not Java thread");
    Thread::current()->tlab().initialize();
  
    log_develop_trace(gc, tlab)("TLAB min: " SIZE_FORMAT " initial: " SIZE_FORMAT " max: " SIZE_FORMAT,
--- 238,248 ----
      _reserve_for_allocation_prefetch = (AllocatePrefetchDistance + AllocatePrefetchStepSize * lines) /
                                         (int)HeapWordSize;
    }
  #endif
  
!   // During jvm startup, the main thread is initialized
    // before the heap is initialized.  So reinitialize it now.
    guarantee(Thread::current()->is_Java_thread(), "tlab initialization thread not Java thread");
    Thread::current()->tlab().initialize();
  
    log_develop_trace(gc, tlab)("TLAB min: " SIZE_FORMAT " initial: " SIZE_FORMAT " max: " SIZE_FORMAT,