src/share/vm/runtime/globals.hpp

*** 1956,1965 ****
--- 1956,1969 ----
            "size on systems with small physical memory size")                \
                                                                              \
    product(uintx, InitialRAMFraction, 64,                                    \
            "Fraction (1/n) of real memory used for initial heap size")       \
                                                                              \
+   develop(uintx, MaxVirtMemFraction, 2,                                     \
+           "Maximum fraction (1/n) of virtual memory used for ergonomically" \
+           "determining maximum heap size")                                  \
+                                                                             \
    product(bool, UseAutoGCSelectPolicy, false,                               \
            "Use automatic collection selection policy")                      \
                                                                              \
    product(uintx, AutoGCSelectPauseMillis, 5000,                             \
            "Automatic GC selection pause threshhold in ms")                  \