src/share/vm/memory/threadLocalAllocBuffer.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 198,208 ****
               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;
--- 198,208 ----
               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;
*** 221,231 ****
    _target_refills = 100 / (2 * TLABWasteTargetPercent);
    _target_refills = MAX2(_target_refills, (unsigned)1U);
  
    _global_stats = new GlobalTLABStats();
  
!   // 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();
  
    if (PrintTLAB && Verbose) {
--- 221,231 ----
    _target_refills = 100 / (2 * TLABWasteTargetPercent);
    _target_refills = MAX2(_target_refills, (unsigned)1U);
  
    _global_stats = new GlobalTLABStats();
  
!   // 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();
  
    if (PrintTLAB && Verbose) {