--- a/hotspot/src/share/vm/runtime/commandLineFlagConstraintsRuntime.cpp	Tue Mar 29 16:21:16 2016 -0400
+++ b/hotspot/src/share/vm/runtime/commandLineFlagConstraintsRuntime.cpp	Wed Mar 30 11:28:51 2016 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -130,3 +130,36 @@
     return Flag::SUCCESS;
   }
 }
+
+static inline Flag::Error sharedConstraintFunc(const char *name, size_t value, size_t taken, bool verbose) {
+  size_t available = (MAX_SHARED_DELTA-(taken+SHARED_PAGE));
+  if (value > available) {
+    CommandLineError::print(verbose,
+                            "%s (" SIZE_FORMAT ") must be "
+                            "smaller than or equal to (" SIZE_FORMAT ")\n",
+                            name, value, available);
+    return Flag::VIOLATES_CONSTRAINT;
+  } else {
+    return Flag::SUCCESS;
+  }
+}
+
+Flag::Error SharedReadWriteSizeConstraintFunc(size_t value, bool verbose) {
+  size_t taken = (SharedReadOnlySize+SharedMiscDataSize+SharedMiscCodeSize);
+  return sharedConstraintFunc("SharedReadWriteSize", value, taken, verbose);
+}
+
+Flag::Error SharedReadOnlySizeConstraintFunc(size_t value, bool verbose) {
+  size_t taken = (SharedReadWriteSize+SharedMiscDataSize+SharedMiscCodeSize);
+  return sharedConstraintFunc("SharedReadOnlySize", value, taken, verbose);
+}
+
+Flag::Error SharedMiscDataSizeConstraintFunc(size_t value, bool verbose) {
+  size_t taken = (SharedReadWriteSize+SharedReadOnlySize+SharedMiscCodeSize);
+  return sharedConstraintFunc("SharedMiscDataSize", value, taken, verbose);
+}
+
+Flag::Error SharedMiscCodeSizeConstraintFunc(size_t value, bool verbose) {
+  size_t taken = (SharedReadWriteSize+SharedReadOnlySize+SharedMiscDataSize);
+  return sharedConstraintFunc("SharedMiscCodeSize", value, taken, verbose);
+}