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comparison src/os/windows/vm/os_windows.cpp @ 3433:7c948af3e651

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Merge
author asaha
date Tue, 24 May 2011 11:09:39 -0700
parents 089aee76df10 188c9a5d6a6d
children be4ca325525a
comparison
equal deleted inserted replaced
3432:66c17ec20ee2 3433:7c948af3e651
2647 _hProcess = NULL; 2647 _hProcess = NULL;
2648 if (_hToken) CloseHandle(_hToken); 2648 if (_hToken) CloseHandle(_hToken);
2649 _hToken = NULL; 2649 _hToken = NULL;
2650 } 2650 }
2651 2651
2652 bool os::large_page_init() { 2652 void os::large_page_init() {
2653 if (!UseLargePages) return false; 2653 if (!UseLargePages) return;
2654 2654
2655 // print a warning if any large page related flag is specified on command line 2655 // print a warning if any large page related flag is specified on command line
2656 bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) || 2656 bool warn_on_failure = !FLAG_IS_DEFAULT(UseLargePages) ||
2657 !FLAG_IS_DEFAULT(LargePageSizeInBytes); 2657 !FLAG_IS_DEFAULT(LargePageSizeInBytes);
2658 bool success = false; 2658 bool success = false;
2693 _page_sizes[1] = default_page_size; 2693 _page_sizes[1] = default_page_size;
2694 _page_sizes[2] = 0; 2694 _page_sizes[2] = 0;
2695 } 2695 }
2696 2696
2697 cleanup_after_large_page_init(); 2697 cleanup_after_large_page_init();
2698 return success; 2698 UseLargePages = success;
2699 } 2699 }
2700 2700
2701 // On win32, one cannot release just a part of reserved memory, it's an 2701 // On win32, one cannot release just a part of reserved memory, it's an
2702 // all or nothing deal. When we split a reservation, we must break the 2702 // all or nothing deal. When we split a reservation, we must break the
2703 // reservation into two reservations. 2703 // reservation into two reservations.
3476 if(Verbose && PrintMiscellaneous) 3476 if(Verbose && PrintMiscellaneous)
3477 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page); 3477 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
3478 #endif 3478 #endif
3479 } 3479 }
3480 3480
3481 FLAG_SET_DEFAULT(UseLargePages, os::large_page_init()); 3481 os::large_page_init();
3482 3482
3483 // Setup Windows Exceptions 3483 // Setup Windows Exceptions
3484 3484
3485 // On Itanium systems, Structured Exception Handling does not 3485 // On Itanium systems, Structured Exception Handling does not
3486 // work since stack frames must be walkable by the OS. Since 3486 // work since stack frames must be walkable by the OS. Since