src/share/vm/gc_implementation/g1/g1_globals.hpp

*** 230,239 ****
--- 230,242 ----
                                                                              \
    product(uintx, G1ConcRefinementThreads, 0,                                \
            "If non-0 is the number of parallel rem set update threads, "     \
            "otherwise the value is determined ergonomically.")               \
                                                                              \
+   product(bool, G1ClassUnloadingEnabled, true,                              \
+           "Whether class unloading is enabled when using G1 GC")            \
+                                                                             \
    develop(bool, G1VerifyCTCleanup, false,                                   \
            "Verify card table cleanup.")                                     \
                                                                              \
    product(uintx, G1RSetScanBlockSize, 64,                                   \
            "Size of a work unit of cards claimed by a worker thread"         \