duke@435: /*
iklam@4710:  * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef OS_LINUX_VM_GLOBALS_LINUX_HPP
stefank@2314: #define OS_LINUX_VM_GLOBALS_LINUX_HPP
stefank@2314: 
duke@435: //
duke@435: // Defines Linux specific flags. They are not available on other platforms.
duke@435: //
duke@435: #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
iveresov@2818:   product(bool, UseOprofile, false,                                     \
iveresov@2818:         "enable support for Oprofile profiler")                         \
iveresov@2818:                                                                         \
iveresov@2818:   product(bool, UseLinuxPosixThreadCPUClocks, true,                     \
iveresov@2818:           "enable fast Linux Posix clocks where available")             \
iveresov@2818: /*  NB: The default value of UseLinuxPosixThreadCPUClocks may be        \
iveresov@2818:     overridden in Arguments::parse_each_vm_init_arg.  */                \
iveresov@2818:                                                                         \
iveresov@2818:   product(bool, UseHugeTLBFS, false,                                    \
iveresov@2818:           "Use MAP_HUGETLB for large pages")                            \
iveresov@2818:                                                                         \
stefank@5578:   product(bool, UseTransparentHugePages, false,                         \
stefank@5578:           "Use MADV_HUGEPAGE for large pages")                          \
stefank@5578:                                                                         \
iklam@4710:   product(bool, LoadExecStackDllInVMThread, true,                       \
iklam@4710:           "Load DLLs with executable-stack attribute in the VM Thread") \
iklam@4710:                                                                         \
iveresov@2818:   product(bool, UseSHM, false,                                          \
iveresov@2818:           "Use SYSV shared memory for large pages")
duke@435: 
duke@435: //
duke@435: // Defines Linux-specific default values. The flags are available on all
duke@435: // platforms, but they may have different default values on other platforms.
duke@435: //
stefank@5857: define_pd_global(bool, UseLargePages, false);
jmasa@824: define_pd_global(bool, UseLargePagesIndividualAllocation, false);
duke@435: define_pd_global(bool, UseOSErrorReporting, false);
duke@435: define_pd_global(bool, UseThreadPriorities, true) ;
stefank@2314: 
stefank@2314: #endif // OS_LINUX_VM_GLOBALS_LINUX_HPP