src/hotspot/share/runtime/thread.cpp

*** 2469,2479 ****
  size_t JavaThread::_stack_yellow_zone_size = 0;
  size_t JavaThread::_stack_reserved_zone_size = 0;
  size_t JavaThread::_stack_shadow_zone_size = 0;
  
  void JavaThread::create_stack_guard_pages() {
!   if (!os::uses_stack_guard_pages() || _stack_guard_state != stack_guard_unused) { return; }
    address low_addr = stack_end();
    size_t len = stack_guard_zone_size();
  
    assert(is_aligned(low_addr, os::vm_page_size()), "Stack base should be the start of a page");
    assert(is_aligned(len, os::vm_page_size()), "Stack size should be a multiple of page size");
--- 2469,2485 ----
  size_t JavaThread::_stack_yellow_zone_size = 0;
  size_t JavaThread::_stack_reserved_zone_size = 0;
  size_t JavaThread::_stack_shadow_zone_size = 0;
  
  void JavaThread::create_stack_guard_pages() {
!   if (!os::uses_stack_guard_pages() ||
!       _stack_guard_state != stack_guard_unused ||
!       (DisablePrimordialThreadGuardPages && os::is_primordial_thread())) {
!       log_info(os, thread)("Stack guard page creation for thread "
!                            UINTX_FORMAT " disabled", os::current_thread_id());
!     return;
!   }
    address low_addr = stack_end();
    size_t len = stack_guard_zone_size();
  
    assert(is_aligned(low_addr, os::vm_page_size()), "Stack base should be the start of a page");
    assert(is_aligned(len, os::vm_page_size()), "Stack size should be a multiple of page size");