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src/share/vm/runtime/arguments.cpp
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*** 1520,1529 ****
--- 1520,1541 ----
if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) {
FLAG_SET_ERGO(bool, UseCompressedClassPointers, true);
}
// Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs.
if (UseCompressedClassPointers) {
+ if ((InitialBootClassLoaderMetaspaceSize + CompressedClassSpaceSize)
+ >= MaxMetaspaceSize) {
+ if (InitialBootClassLoaderMetaspaceSize >= MaxMetaspaceSize) {
+ vm_exit_during_initialization(
+ "InitialBootClassLoaderMetaspaceSize should be "
+ "less than MaxMetaspaceSize.");
+ } else {
+ FLAG_SET_ERGO(size_t, CompressedClassSpaceSize,
+ MaxMetaspaceSize - InitialBootClassLoaderMetaspaceSize);
+ }
+ }
+
if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) {
warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers");
FLAG_SET_DEFAULT(UseCompressedClassPointers, false);
}
}
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