src/os/aix/vm/globals_aix.hpp

rev 7960 : 8075506: aix: improve handling of native memory

*** 1,8 ****
  /*
!  * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2012, 2013 SAP AG. 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.
--- 1,8 ----
  /*
!  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2012, 2015 SAP AG. 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.
*** 29,38 ****
--- 29,42 ----
  //
  // Defines Aix specific flags. They are not available on other platforms.
  //
  #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
                                                                                      \
+   /* Use 64K pages for virtual memory (shmat). */                                   \
+   product(bool, Use64KPages, true,                                                  \
+           "Use 64K pages if available.")                                            \
+                                                                                     \
    /* If UseLargePages == true allow or deny usage of 16M pages. 16M pages are  */   \
    /* a scarce resource and there may be situations where we do not want the VM */   \
    /* to run with 16M pages. (Will fall back to 64K pages).                     */   \
    product_pd(bool, Use16MPages,                                                     \
            "Use 16M pages if available.")                                            \
*** 53,63 ****
  
  //
  // Defines Aix-specific default values. The flags are available on all
  // platforms, but they may have different default values on other platforms.
  //
! define_pd_global(bool, UseLargePages, true);
  define_pd_global(bool, UseLargePagesIndividualAllocation, false);
  define_pd_global(bool, UseOSErrorReporting, false);
  define_pd_global(bool, UseThreadPriorities, true) ;
  
  #endif // OS_AIX_VM_GLOBALS_AIX_HPP
--- 57,67 ----
  
  //
  // Defines Aix-specific default values. The flags are available on all
  // platforms, but they may have different default values on other platforms.
  //
! define_pd_global(bool, UseLargePages, false);
  define_pd_global(bool, UseLargePagesIndividualAllocation, false);
  define_pd_global(bool, UseOSErrorReporting, false);
  define_pd_global(bool, UseThreadPriorities, true) ;
  
  #endif // OS_AIX_VM_GLOBALS_AIX_HPP