src/share/vm/runtime/arguments.cpp

*** 1124,1133 ****
--- 1124,1136 ----
    }
    if (!UseInterpreter) { // -Xcomp
      Tier3InvokeNotifyFreqLog = 0;
      Tier4InvocationThreshold = 0;
    }
+   if (FLAG_IS_DEFAULT(NmethodSweepFraction)) {
+     FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M));
+   }
  }
  
  #if INCLUDE_ALL_GCS
  static void disable_adaptive_size_policy(const char* collector_name) {
    if (UseAdaptiveSizePolicy) {
*** 2267,2276 ****
--- 2270,2283 ----
      jio_fprintf(defaultStream::error_stream(),
                  "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M,
                  (2*G)/M);
      status = false;
    }
+ 
+   status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction");
+   status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity");
+ 
    return status;
  }
  
  bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore,
    const char* option_type) {