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

@@ -191,10 +191,14 @@
           "Log base 2 of the length of conc RS hot-card cache.")            \
                                                                             \
   develop(intx, G1ConcRSHotCardLimit, 4,                                    \
           "The threshold that defines (>=) a hot card.")                    \
                                                                             \
+  develop(intx, G1MaxHotCardCountSizePercent, 50,                           \
+          "The maximum size of the hot card count cache as a "              \
+          "percentage of the number of cards for the maximum heap.")        \
+                                                                            \
   develop(bool, G1PrintOopAppls, false,                                     \
           "When true, print applications of closures to external locs.")    \
                                                                             \
   develop(intx, G1RSetRegionEntriesBase, 256,                               \
           "Max number of regions in a fine-grain table per MB.")            \