154   return cur_sp > low_addr ? cur_sp - low_addr : 0;

   154   return cur_sp > low_addr ? cur_sp - low_addr : 0;

   155 }

   155 }

   156 

   156 

   157 inline bool JavaThread::stack_guards_enabled() {

   157 inline bool JavaThread::stack_guards_enabled() {

   158 #ifdef ASSERT

   158 #ifdef ASSERT

   160     assert(_stack_guard_state != stack_guard_unused, "guard pages must be in use");

   161     assert(_stack_guard_state != stack_guard_unused, "guard pages must be in use");

   161   }

   162   }

   162 #endif

   163 #endif

   163   return _stack_guard_state == stack_guard_enabled;

   164   return _stack_guard_state == stack_guard_enabled;

   164 }

   165 }