1 /*
   2  * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_GC_SHARED_PLAB_INLINE_HPP
  26 #define SHARE_GC_SHARED_PLAB_INLINE_HPP
  27 
  28 #include "gc/shared/collectedHeap.inline.hpp"
  29 #include "gc/shared/plab.hpp"
  30 #include "memory/allocation.inline.hpp"
  31 #include "runtime/atomic.hpp"
  32 
  33 inline HeapWord* PLAB::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) {
  34   HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes);
  35   if (res == NULL) {
  36     return NULL;
  37   }
  38 
  39   // Set _top so that allocate(), which expects _top to be correctly set,
  40   // can be used below.
  41   _top = res;
  42   return allocate(word_sz);
  43 }
  44 
  45 void PLABStats::add_allocated(size_t v) {
  46   Atomic::add(&_allocated, v);
  47 }
  48 
  49 void PLABStats::add_unused(size_t v) {
  50   Atomic::add(&_unused, v);
  51 }
  52 
  53 void PLABStats::add_wasted(size_t v) {
  54   Atomic::add(&_wasted, v);
  55 }
  56 
  57 void PLABStats::add_undo_wasted(size_t v) {
  58   Atomic::add(&_undo_wasted, v);
  59 }
  60 
  61 #endif // SHARE_GC_SHARED_PLAB_INLINE_HPP
--- EOF ---