3572   guarantee( polling_page != MAP_FAILED, "os::init_2: failed to allocate polling page" );
3573 
3574   os::set_polling_page( polling_page );
3575 
3576 #ifndef PRODUCT
3577   if(Verbose && PrintMiscellaneous)
3578     tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
3579 #endif
3580 
3581   if (!UseMembar) {
3582     address mem_serialize_page = (address) ::mmap(NULL, Bsd::page_size(), PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
3583     guarantee( mem_serialize_page != MAP_FAILED, "mmap Failed for memory serialize page");
3584     os::set_memory_serialize_page( mem_serialize_page );
3585 
3586 #ifndef PRODUCT
3587     if(Verbose && PrintMiscellaneous)
3588       tty->print("[Memory Serialize  Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
3589 #endif
3590   }
3591 
3592   os::large_page_init();
3593 
3594   // initialize suspend/resume support - must do this before signal_sets_init()
3595   if (SR_initialize() != 0) {
3596     perror("SR_initialize failed");
3597     return JNI_ERR;
3598   }
3599 
3600   Bsd::signal_sets_init();
3601   Bsd::install_signal_handlers();
3602 
3603   // Check minimum allowable stack size for thread creation and to initialize
3604   // the java system classes, including StackOverflowError - depends on page
3605   // size.  Add a page for compiler2 recursion in main thread.
3606   // Add in 2*BytesPerWord times page size to account for VM stack during
3607   // class initialization depending on 32 or 64 bit VM.
3608   os::Bsd::min_stack_allowed = MAX2(os::Bsd::min_stack_allowed,
3609             (size_t)(StackYellowPages+StackRedPages+StackShadowPages+
3610                     2*BytesPerWord COMPILER2_PRESENT(+1)) * Bsd::page_size());
3611 
3612   size_t threadStackSizeInBytes = ThreadStackSize * K;
3613   if (threadStackSizeInBytes != 0 &&

3572   guarantee( polling_page != MAP_FAILED, "os::init_2: failed to allocate polling page" );
3573 
3574   os::set_polling_page( polling_page );
3575 
3576 #ifndef PRODUCT
3577   if(Verbose && PrintMiscellaneous)
3578     tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
3579 #endif
3580 
3581   if (!UseMembar) {
3582     address mem_serialize_page = (address) ::mmap(NULL, Bsd::page_size(), PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
3583     guarantee( mem_serialize_page != MAP_FAILED, "mmap Failed for memory serialize page");
3584     os::set_memory_serialize_page( mem_serialize_page );
3585 
3586 #ifndef PRODUCT
3587     if(Verbose && PrintMiscellaneous)
3588       tty->print("[Memory Serialize  Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
3589 #endif
3590   }
3591 


3592   // initialize suspend/resume support - must do this before signal_sets_init()
3593   if (SR_initialize() != 0) {
3594     perror("SR_initialize failed");
3595     return JNI_ERR;
3596   }
3597 
3598   Bsd::signal_sets_init();
3599   Bsd::install_signal_handlers();
3600 
3601   // Check minimum allowable stack size for thread creation and to initialize
3602   // the java system classes, including StackOverflowError - depends on page
3603   // size.  Add a page for compiler2 recursion in main thread.
3604   // Add in 2*BytesPerWord times page size to account for VM stack during
3605   // class initialization depending on 32 or 64 bit VM.
3606   os::Bsd::min_stack_allowed = MAX2(os::Bsd::min_stack_allowed,
3607             (size_t)(StackYellowPages+StackRedPages+StackShadowPages+
3608                     2*BytesPerWord COMPILER2_PRESENT(+1)) * Bsd::page_size());
3609 
3610   size_t threadStackSizeInBytes = ThreadStackSize * K;
3611   if (threadStackSizeInBytes != 0 &&