# HG changeset patch
# User iignatyev
# Date 1482532087 0
# Node ID 4c896ebfaaa20be0ab787c3f691bbd9c4be14c33
# Parent  3f60d402df95d85a7419c0d9935d8a5184482959# Parent  8c70a25642c4ba6b4e1ac1713ea583d77267dd84
Merge

diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/src/share/vm/classfile/classLoaderData.cpp
--- a/hotspot/src/share/vm/classfile/classLoaderData.cpp	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/src/share/vm/classfile/classLoaderData.cpp	Fri Dec 23 22:28:07 2016 +0000
@@ -94,7 +94,7 @@
   _metaspace(NULL), _unloading(false), _klasses(NULL),
   _modules(NULL), _packages(NULL),
   _claimed(0), _jmethod_ids(NULL), _handles(NULL), _deallocate_list(NULL),
-  _next(NULL), _dependencies(dependencies), _shared_class_loader_id(-1),
+  _next(NULL), _dependencies(dependencies),
   _metaspace_lock(new Mutex(Monitor::leaf+1, "Metaspace allocation lock", true,
                             Monitor::_safepoint_check_never)) {
   TRACE_INIT_ID(this);
diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/src/share/vm/classfile/classLoaderData.hpp
--- a/hotspot/src/share/vm/classfile/classLoaderData.hpp	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/src/share/vm/classfile/classLoaderData.hpp	Fri Dec 23 22:28:07 2016 +0000
@@ -204,9 +204,6 @@
   // Support for walking class loader data objects
   ClassLoaderData* _next; /// Next loader_datas created
 
-  // CDS
-  int _shared_class_loader_id;
-
   // ReadOnly and ReadWrite metaspaces (static because only on the null
   // class loader for now).
   static Metaspace* _ro_metaspace;
@@ -338,15 +335,6 @@
   Metaspace* rw_metaspace();
   void initialize_shared_metaspaces();
 
-  int shared_class_loader_id() const {
-    return _shared_class_loader_id;
-  }
-  void set_shared_class_loader_id(int id) {
-    assert(id >= 0, "sanity");
-    assert(_shared_class_loader_id <0, "cannot be assigned more than once");
-    _shared_class_loader_id = id;
-  }
-
   TRACE_DEFINE_TRACE_ID_METHODS;
 };
 
diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/src/share/vm/classfile/systemDictionaryShared.hpp
--- a/hotspot/src/share/vm/classfile/systemDictionaryShared.hpp	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/src/share/vm/classfile/systemDictionaryShared.hpp	Fri Dec 23 22:28:07 2016 +0000
@@ -29,7 +29,6 @@
 #include "classfile/dictionary.hpp"
 
 class ClassFileStream;
-class SerializeClosure;
 
 class SystemDictionaryShared: public SystemDictionary {
 public:
@@ -79,8 +78,6 @@
     return NULL;
   }
 
-  static void serialize(SerializeClosure* soc) {}
-
   // The (non-application) CDS implementation supports only classes in the boot
   // class loader, which ensures that the verification constraints are the same
   // during archive creation time and runtime. Thus we can do the constraint checks
diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/src/share/vm/memory/metaspaceShared.cpp
--- a/hotspot/src/share/vm/memory/metaspaceShared.cpp	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/src/share/vm/memory/metaspaceShared.cpp	Fri Dec 23 22:28:07 2016 +0000
@@ -145,10 +145,6 @@
   StringTable::serialize(soc, string_space, space_size);
   soc->do_tag(--tag);
 
-  // Dump/restore the misc information for system dictionary
-  SystemDictionaryShared::serialize(soc);
-  soc->do_tag(--tag);
-
   soc->do_tag(666);
 }
 
diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/test/ProblemList.txt
--- a/hotspot/test/ProblemList.txt	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/test/ProblemList.txt	Fri Dec 23 22:28:07 2016 +0000
@@ -55,7 +55,6 @@
 
 gc/g1/humongousObjects/objectGraphTest/TestObjectGraphAfterGC.java 8156755 generic-all
 gc/survivorAlignment/TestPromotionToSurvivor.java 8129886 generic-all
-gc/stress/TestStressG1Humongous.java 8171045 generic-all
 
 #############################################################################
 
diff -r 3f60d402df95 -r 4c896ebfaaa2 hotspot/test/gc/stress/TestStressG1Humongous.java
--- a/hotspot/test/gc/stress/TestStressG1Humongous.java	Wed Dec 21 15:01:01 2016 +0300
+++ b/hotspot/test/gc/stress/TestStressG1Humongous.java	Fri Dec 23 22:28:07 2016 +0000
@@ -28,14 +28,9 @@
  * @summary Stress G1 by humongous allocations in situation near OOM
  * @requires vm.gc.G1
  * @requires !vm.flightRecorder
- * @run main/othervm/timeout=200 -Xlog:gc=debug -Xmx1g -XX:+UseG1GC -XX:G1HeapRegionSize=4m
- *              -Dtimeout=120 -Dthreads=3 -Dhumongoussize=1.1 -Dregionsize=4 TestStressG1Humongous
- * @run main/othervm/timeout=200 -Xlog:gc=debug -Xmx1g -XX:+UseG1GC -XX:G1HeapRegionSize=16m
- *              -Dtimeout=120 -Dthreads=5 -Dhumongoussize=2.1 -Dregionsize=16 TestStressG1Humongous
- * @run main/othervm/timeout=200 -Xlog:gc=debug -Xmx1g -XX:+UseG1GC -XX:G1HeapRegionSize=32m
- *              -Dtimeout=120 -Dthreads=4 -Dhumongoussize=0.6 -Dregionsize=32 TestStressG1Humongous
- * @run main/othervm/timeout=700 -Xlog:gc=debug -Xmx1g -XX:+UseG1GC -XX:G1HeapRegionSize=1m
- *              -Dtimeout=600 -Dthreads=7 -Dhumongoussize=0.6 -Dregionsize=1 TestStressG1Humongous
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * @run driver/timeout=1300 TestStressG1Humongous
  */
 
 import java.util.ArrayList;
@@ -44,8 +39,45 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicInteger;
 
-public class TestStressG1Humongous {
+import jdk.test.lib.Platform;
+import jdk.test.lib.Utils;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class TestStressG1Humongous{
+
+    public static void main(String[] args) throws Exception {
+        // Limit heap size on 32-bit platforms
+        int heapSize = Platform.is32bit() ? 512 : 1024;
+        // Heap size, region size, threads, humongous size, timeout
+        run(heapSize, 4, 3, 1.1, 120);
+        run(heapSize, 16, 5, 2.1, 120);
+        run(heapSize, 32, 4, 0.6, 120);
+        run(heapSize, 1, 7, 0.6, 600);
+    }
 
+    private static void run(int heapSize, int regionSize, int threads, double humongousSize, int timeout)
+            throws Exception {
+        ArrayList<String> options = new ArrayList<>();
+        Collections.addAll(options, Utils.getTestJavaOpts());
+        Collections.addAll(options,
+                "-Xlog:gc=debug",
+                "-Xmx" + heapSize + "m",
+                "-XX:+UseG1GC",
+                "-XX:G1HeapRegionSize=" + regionSize + "m",
+                "-Dtimeout=" + timeout,
+                "-Dthreads=" + threads,
+                "-Dhumongoussize=" + humongousSize,
+                "-Dregionsize=" + regionSize,
+                TestStressG1HumongousImpl.class.getName()
+        );
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(options.toArray(new String[options.size()]));
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+    }
+}
+
+class TestStressG1HumongousImpl {
     // Timeout in seconds
     private static final int TIMEOUT = Integer.getInteger("timeout", 60);
     private static final int THREAD_COUNT = Integer.getInteger("threads", 2);
@@ -60,10 +92,10 @@
     public static final List<Object> GARBAGE = Collections.synchronizedList(new ArrayList<>());
 
     public static void main(String[] args) throws InterruptedException {
-        new TestStressG1Humongous().run();
+        new TestStressG1HumongousImpl().run();
     }
 
-    public TestStressG1Humongous() {
+    public TestStressG1HumongousImpl() {
         isRunning = true;
         threads = new Thread[THREAD_COUNT];
         alocatedObjectsCount = new AtomicInteger(0);