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-rw-r--r--runtime/GC/SemiSpace/README.txt5
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diff --git a/runtime/GC/SemiSpace/README.txt b/runtime/GC/SemiSpace/README.txt
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+//===----------------------------------------------------------------------===//
+
+Possible enhancement: If a collection cycle happens and the heap is not
+compacted very much (say less than 25% of the allocated memory was freed), the
+memory regions should be doubled in size.