src/share/vm/prims/whitebox.cpp

@@ -1451,11 +1451,11 @@
   oop class_loader_oop = JNIHandles::resolve(class_loader);
   ClassLoaderData* cld = class_loader_oop != NULL
       ? java_lang_ClassLoader::loader_data(class_loader_oop)
       : ClassLoaderData::the_null_class_loader_data();
 
-  void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread);
+  void* metadata = MetadataFactory::new_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread);
 
   return (jlong)(uintptr_t)metadata;
 WB_END
 
 WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size))

@@ -1559,10 +1559,13 @@
 
 WB_ENTRY(jboolean, WB_MetaspaceShouldConcurrentCollect(JNIEnv* env, jobject wb))
   return MetaspaceGC::should_concurrent_collect();
 WB_END
 
+WB_ENTRY(jlong, WB_MetaspaceReserveAlignment(JNIEnv* env, jobject wb))
+  return (jlong)Metaspace::reserve_alignment();
+WB_END
 
 WB_ENTRY(void, WB_AssertMatchingSafepointCalls(JNIEnv* env, jobject o, jboolean mutexSafepointValue, jboolean attemptedNoSafepointValue))
   Monitor::SafepointCheckRequired sfpt_check_required = mutexSafepointValue ?
                                            Monitor::_safepoint_check_always :
                                            Monitor::_safepoint_check_never;

@@ -1943,10 +1946,11 @@
   {CC"freeMetaspace",
      CC"(Ljava/lang/ClassLoader;JJ)V",                (void*)&WB_FreeMetaspace },
   {CC"incMetaspaceCapacityUntilGC", CC"(J)J",         (void*)&WB_IncMetaspaceCapacityUntilGC },
   {CC"metaspaceCapacityUntilGC", CC"()J",             (void*)&WB_MetaspaceCapacityUntilGC },
   {CC"metaspaceShouldConcurrentCollect", CC"()Z",     (void*)&WB_MetaspaceShouldConcurrentCollect },
+  {CC"metaspaceReserveAlignment", CC"()J",            (void*)&WB_MetaspaceReserveAlignment },
   {CC"getCPUFeatures",     CC"()Ljava/lang/String;",  (void*)&WB_GetCPUFeatures     },
   {CC"getNMethod0",         CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
                                                       (void*)&WB_GetNMethod         },
   {CC"forceNMethodSweep",  CC"()V",                   (void*)&WB_ForceNMethodSweep  },
   {CC"allocateCodeBlob",   CC"(II)J",                 (void*)&WB_AllocateCodeBlob   },