src/hotspot/os/linux/os_linux.cpp

rev 47590 : Move polling page allocation to SafepointMechanism initialization

@@ -4804,24 +4804,10 @@
 
   os::Posix::init_2();
 
   Linux::fast_thread_clock_init();
 
-  // Allocate a single page and mark it as readable for safepoint polling
-  address polling_page = (address) ::mmap(NULL, Linux::page_size(), PROT_READ, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
-  guarantee(polling_page != MAP_FAILED, "os::init_2: failed to allocate polling page");
-
-  os::set_polling_page(polling_page);
-  log_info(os)("SafePoint Polling address: " INTPTR_FORMAT, p2i(polling_page));
-
-  if (!UseMembar) {
-    address mem_serialize_page = (address) ::mmap(NULL, Linux::page_size(), PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
-    guarantee(mem_serialize_page != MAP_FAILED, "mmap Failed for memory serialize page");
-    os::set_memory_serialize_page(mem_serialize_page);
-    log_info(os)("Memory Serialize Page address: " INTPTR_FORMAT, p2i(mem_serialize_page));
-  }
-
   // initialize suspend/resume support - must do this before signal_sets_init()
   if (SR_initialize() != 0) {
     perror("SR_initialize failed");
     return JNI_ERR;
   }