2760 _hProcess = NULL; |
2760 _hProcess = NULL; |
2761 if (_hToken) CloseHandle(_hToken); |
2761 if (_hToken) CloseHandle(_hToken); |
2762 _hToken = NULL; |
2762 _hToken = NULL; |
2763 } |
2763 } |
2764 |
2764 |
2765 bool os::large_page_init() { |
2765 void os::large_page_init() { |
2766 if (!UseLargePages) return false; |
2766 if (!UseLargePages) return; |
2767 |
2767 |
2768 // print a warning if any large page related flag is specified on command line |
2768 // print a warning if any large page related flag is specified on command line |
2769 bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) || |
2769 bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) || |
2770 !FLAG_IS_DEFAULT(LargePageSizeInBytes); |
2770 !FLAG_IS_DEFAULT(LargePageSizeInBytes); |
2771 bool success = false; |
2771 bool success = false; |
2806 _page_sizes[1] = default_page_size; |
2806 _page_sizes[1] = default_page_size; |
2807 _page_sizes[2] = 0; |
2807 _page_sizes[2] = 0; |
2808 } |
2808 } |
2809 |
2809 |
2810 cleanup_after_large_page_init(); |
2810 cleanup_after_large_page_init(); |
2811 return success; |
2811 UseLargePages = success; |
2812 } |
2812 } |
2813 |
2813 |
2814 // On win32, one cannot release just a part of reserved memory, it's an |
2814 // On win32, one cannot release just a part of reserved memory, it's an |
2815 // all or nothing deal. When we split a reservation, we must break the |
2815 // all or nothing deal. When we split a reservation, we must break the |
2816 // reservation into two reservations. |
2816 // reservation into two reservations. |
3559 if(Verbose && PrintMiscellaneous) |
3559 if(Verbose && PrintMiscellaneous) |
3560 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page); |
3560 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page); |
3561 #endif |
3561 #endif |
3562 } |
3562 } |
3563 |
3563 |
3564 FLAG_SET_DEFAULT(UseLargePages, os::large_page_init()); |
3564 os::large_page_init(); |
3565 |
3565 |
3566 // Setup Windows Exceptions |
3566 // Setup Windows Exceptions |
3567 |
3567 |
3568 // On Itanium systems, Structured Exception Handling does not |
3568 // On Itanium systems, Structured Exception Handling does not |
3569 // work since stack frames must be walkable by the OS. Since |
3569 // work since stack frames must be walkable by the OS. Since |