src/hotspot/share/gc/parallel/psYoungGen.cpp

8221260: Initialize more class members on construction, remove some unused ones
Reviewed-by:

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2019, 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.
***************
*** 33,48 ****
  #include "logging/log.hpp"
  #include "oops/oop.inline.hpp"
  #include "runtime/java.hpp"
  #include "utilities/align.hpp"
  
! PSYoungGen::PSYoungGen(size_t        initial_size,
!                        size_t        min_size,
!                        size_t        max_size) :
    _init_gen_size(initial_size),
    _min_gen_size(min_size),
!   _max_gen_size(max_size)
  {}
  
  void PSYoungGen::initialize_virtual_space(ReservedSpace rs, size_t alignment) {
    assert(_init_gen_size != 0, "Should have a finite size");
    _virtual_space = new PSVirtualSpace(rs, alignment);
--- 33,58 ----
  #include "logging/log.hpp"
  #include "oops/oop.inline.hpp"
  #include "runtime/java.hpp"
  #include "utilities/align.hpp"
  
! PSYoungGen::PSYoungGen(size_t initial_size, size_t min_size, size_t max_size) :
!   _reserved(),
!   _virtual_space(NULL),
!   _eden_space(NULL),
!   _from_space(NULL),
!   _to_space(NULL),
!   _eden_mark_sweep(NULL),
!   _from_mark_sweep(NULL),
!   _to_mark_sweep(NULL),
    _init_gen_size(initial_size),
    _min_gen_size(min_size),
!   _max_gen_size(max_size),
!   _gen_counters(NULL),
!   _eden_counters(NULL),
!   _from_counters(NULL),
!   _to_counters(NULL)
  {}
  
  void PSYoungGen::initialize_virtual_space(ReservedSpace rs, size_t alignment) {
    assert(_init_gen_size != 0, "Should have a finite size");
    _virtual_space = new PSVirtualSpace(rs, alignment);