src/os/aix/vm/os_aix.cpp

*** 4006,4015 ****
--- 4006,4025 ----
      fatal(err_msg("Could not enable polling page at " PTR_FORMAT, _polling_page));
    }
  };
  
  int os::active_processor_count() {
+   // User has overridden the number of active processors
+   if (ActiveProcessorCount > 0) {
+     if (PrintActiveCpus) {
+       tty->print_cr("active_processor_count: "
+                     "active processor count set by user : %d",
+                      ActiveProcessorCount);
+     } 
+     return ActiveProcessorCount;
+   }
+ 
    int online_cpus = ::sysconf(_SC_NPROCESSORS_ONLN);
    assert(online_cpus > 0 && online_cpus <= processor_count(), "sanity check");
    return online_cpus;
  }