4285 guarantee( polling_page != MAP_FAILED, "os::init_2: failed to allocate polling page" );
4286
4287 os::set_polling_page( polling_page );
4288
4289 #ifndef PRODUCT
4290 if(Verbose && PrintMiscellaneous)
4291 tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
4292 #endif
4293
4294 if (!UseMembar) {
4295 address mem_serialize_page = (address) ::mmap(NULL, Linux::page_size(), PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
4296 guarantee( mem_serialize_page != NULL, "mmap Failed for memory serialize page");
4297 os::set_memory_serialize_page( mem_serialize_page );
4298
4299 #ifndef PRODUCT
4300 if(Verbose && PrintMiscellaneous)
4301 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
4302 #endif
4303 }
4304
4305 os::large_page_init();
4306
4307 // initialize suspend/resume support - must do this before signal_sets_init()
4308 if (SR_initialize() != 0) {
4309 perror("SR_initialize failed");
4310 return JNI_ERR;
4311 }
4312
4313 Linux::signal_sets_init();
4314 Linux::install_signal_handlers();
4315
4316 // Check minimum allowable stack size for thread creation and to initialize
4317 // the java system classes, including StackOverflowError - depends on page
4318 // size. Add a page for compiler2 recursion in main thread.
4319 // Add in 2*BytesPerWord times page size to account for VM stack during
4320 // class initialization depending on 32 or 64 bit VM.
4321 os::Linux::min_stack_allowed = MAX2(os::Linux::min_stack_allowed,
4322 (size_t)(StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
4323 (2*BytesPerWord COMPILER2_PRESENT(+1)) * Linux::vm_default_page_size());
4324
4325 size_t threadStackSizeInBytes = ThreadStackSize * K;
4326 if (threadStackSizeInBytes != 0 &&
|
4285 guarantee( polling_page != MAP_FAILED, "os::init_2: failed to allocate polling page" );
4286
4287 os::set_polling_page( polling_page );
4288
4289 #ifndef PRODUCT
4290 if(Verbose && PrintMiscellaneous)
4291 tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
4292 #endif
4293
4294 if (!UseMembar) {
4295 address mem_serialize_page = (address) ::mmap(NULL, Linux::page_size(), PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
4296 guarantee( mem_serialize_page != NULL, "mmap Failed for memory serialize page");
4297 os::set_memory_serialize_page( mem_serialize_page );
4298
4299 #ifndef PRODUCT
4300 if(Verbose && PrintMiscellaneous)
4301 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
4302 #endif
4303 }
4304
4305 // initialize suspend/resume support - must do this before signal_sets_init()
4306 if (SR_initialize() != 0) {
4307 perror("SR_initialize failed");
4308 return JNI_ERR;
4309 }
4310
4311 Linux::signal_sets_init();
4312 Linux::install_signal_handlers();
4313
4314 // Check minimum allowable stack size for thread creation and to initialize
4315 // the java system classes, including StackOverflowError - depends on page
4316 // size. Add a page for compiler2 recursion in main thread.
4317 // Add in 2*BytesPerWord times page size to account for VM stack during
4318 // class initialization depending on 32 or 64 bit VM.
4319 os::Linux::min_stack_allowed = MAX2(os::Linux::min_stack_allowed,
4320 (size_t)(StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
4321 (2*BytesPerWord COMPILER2_PRESENT(+1)) * Linux::vm_default_page_size());
4322
4323 size_t threadStackSizeInBytes = ThreadStackSize * K;
4324 if (threadStackSizeInBytes != 0 &&
|