RFR(XXS): JDK-6883953 java -client -XX:ValueMapInitialSize=0 crashes

Yuri Gaevsky ygaevsky at azulsystems.com
Thu May 15 15:29:07 UTC 2014


Hello.

I am looking for a sponsor to review and to integrate this simple fix into JDK 9:

$ cat hotspot.patch 
--- old/src/share/vm/runtime/arguments.cpp      2014-05-15 18:43:52.907532800 +0400
+++ new/src/share/vm/runtime/arguments.cpp      2014-05-15 18:43:52.595018700 +0400
@@ -2335,6 +2335,7 @@
   status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio");
 
   status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount");
+  status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize");
 
   if (PrintNMTStatistics) {
 #if INCLUDE_NMT

Bug: https://bugs.openjdk.java.net/browse/JDK-6883953
Summary: Limit ValueMapInitialSize minimal value by 1.
Tests:  JCK-runtime-8 [api/[java_lang|java_util] & vm/] (Windows).

Thank you,
-Yuri



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