8059064: Better G1 log caching

Reviewed-by: jmasa, ahgross
Contributed-by: sangheon.kim@oracle.com

src/share/vm/runtime/arguments.cpp

@@ -2216,7 +2216,7 @@ bool Arguments::check_vm_args_consistency() {
                                         "G1ConcMarkStepDurationMillis");
     status = status && verify_interval(G1ConcRSHotCardLimit, 0, max_jubyte,
                                        "G1ConcRSHotCardLimit");
-    status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31,
+    status = status && verify_interval(G1ConcRSLogCacheSize, 0, 27,
                                        "G1ConcRSLogCacheSize");
     status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age,
                                        "StringDeduplicationAgeThreshold");