src/hotspot/share/gc/shared/plab.inline.hpp
changeset 47216 71c04702a3d5
parent 40655 9f644073d3a0
child 47634 6a0c42c40cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/shared/plab.inline.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2014, 2016, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_GC_SHARED_PLAB_INLINE_HPP
+#define SHARE_VM_GC_SHARED_PLAB_INLINE_HPP
+
+#include "gc/shared/collectedHeap.inline.hpp"
+#include "gc/shared/plab.hpp"
+#include "memory/allocation.inline.hpp"
+#include "runtime/atomic.hpp"
+
+inline HeapWord* PLAB::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) {
+  HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes);
+  if (res == NULL) {
+    return NULL;
+  }
+
+  // Set _top so that allocate(), which expects _top to be correctly set,
+  // can be used below.
+  _top = res;
+  return allocate(word_sz);
+}
+
+void PLABStats::add_allocated(size_t v) {
+  Atomic::add_ptr(v, &_allocated);
+}
+
+void PLABStats::add_unused(size_t v) {
+  Atomic::add_ptr(v, &_unused);
+}
+
+void PLABStats::add_wasted(size_t v) {
+  Atomic::add_ptr(v, &_wasted);
+}
+
+void PLABStats::add_undo_wasted(size_t v) {
+  Atomic::add_ptr(v, &_undo_wasted);
+}
+
+#endif // SHARE_VM_GC_SHARED_PLAB_INLINE_HPP