1 /*
2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef OS_AIX_VM_GLOBALS_AIX_HPP
27 #define OS_AIX_VM_GLOBALS_AIX_HPP
28
29 //
30 // Defines Aix specific flags. They are not available on other platforms.
31 //
32 #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
33 \
34 /* If UseLargePages == true allow or deny usage of 16M pages. 16M pages are */ \
35 /* a scarce resource and there may be situations where we do not want the VM */ \
36 /* to run with 16M pages. (Will fall back to 64K pages). */ \
37 product_pd(bool, Use16MPages, \
38 "Use 16M pages if available.") \
39 \
40 /* use optimized addresses for the polling page, */ \
41 /* e.g. map it to a special 32-bit address. */ \
42 product_pd(bool, OptimizePollingPageLocation, \
43 "Optimize the location of the polling page used for Safepoints") \
44 \
45 product_pd(intx, AttachListenerTimeout, \
46 "Timeout in ms the attach listener waits for a request") \
47 \
48
49 // Per default, do not allow 16M pages. 16M pages have to be switched on specifically.
50 define_pd_global(bool, Use16MPages, false);
51 define_pd_global(bool, OptimizePollingPageLocation, true);
52 define_pd_global(intx, AttachListenerTimeout, 1000);
53
54 //
55 // Defines Aix-specific default values. The flags are available on all
56 // platforms, but they may have different default values on other platforms.
57 //
58 define_pd_global(bool, UseLargePages, true);
59 define_pd_global(bool, UseLargePagesIndividualAllocation, false);
60 define_pd_global(bool, UseOSErrorReporting, false);
61 define_pd_global(bool, UseThreadPriorities, true) ;
62
63 #endif // OS_AIX_VM_GLOBALS_AIX_HPP
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1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2015 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef OS_AIX_VM_GLOBALS_AIX_HPP
27 #define OS_AIX_VM_GLOBALS_AIX_HPP
28
29 //
30 // Defines Aix specific flags. They are not available on other platforms.
31 //
32 #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
33 \
34 /* Use 64K pages for virtual memory (shmat). */ \
35 product(bool, Use64KPages, true, \
36 "Use 64K pages if available.") \
37 \
38 /* If UseLargePages == true allow or deny usage of 16M pages. 16M pages are */ \
39 /* a scarce resource and there may be situations where we do not want the VM */ \
40 /* to run with 16M pages. (Will fall back to 64K pages). */ \
41 product_pd(bool, Use16MPages, \
42 "Use 16M pages if available.") \
43 \
44 /* use optimized addresses for the polling page, */ \
45 /* e.g. map it to a special 32-bit address. */ \
46 product_pd(bool, OptimizePollingPageLocation, \
47 "Optimize the location of the polling page used for Safepoints") \
48 \
49 product_pd(intx, AttachListenerTimeout, \
50 "Timeout in ms the attach listener waits for a request") \
51 \
52
53 // Per default, do not allow 16M pages. 16M pages have to be switched on specifically.
54 define_pd_global(bool, Use16MPages, false);
55 define_pd_global(bool, OptimizePollingPageLocation, true);
56 define_pd_global(intx, AttachListenerTimeout, 1000);
57
58 //
59 // Defines Aix-specific default values. The flags are available on all
60 // platforms, but they may have different default values on other platforms.
61 //
62 define_pd_global(bool, UseLargePages, false);
63 define_pd_global(bool, UseLargePagesIndividualAllocation, false);
64 define_pd_global(bool, UseOSErrorReporting, false);
65 define_pd_global(bool, UseThreadPriorities, true) ;
66
67 #endif // OS_AIX_VM_GLOBALS_AIX_HPP
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