1/*
2 * Copyright (c) 2017, 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#include "precompiled.hpp"
25#include "gc/z/zLargePages.hpp"
26#include "logging/log.hpp"
27#include "runtime/os.hpp"
28
29ZLargePages::State ZLargePages::_state;
30
31void ZLargePages::initialize() {
32 initialize_platform();
33
34 log_info(gc, init)("Memory: " JULONG_FORMAT "M", os::physical_memory() / M);
35 log_info(gc, init)("Large Page Support: %s", to_string());
36}
37
38const char* ZLargePages::to_string() {
39 switch (_state) {
40 case Explicit:
41 return "Enabled (Explicit)";
42
43 case Transparent:
44 return "Enabled (Transparent)";
45
46 default:
47 return "Disabled";
48 }
49}
50