--- old/src/share/vm/runtime/globals.hpp 2016-01-28 22:37:28.401299733 -0800 +++ new/src/share/vm/runtime/globals.hpp 2016-01-28 22:37:28.301299737 -0800 @@ -3252,7 +3252,7 @@ \ product(size_t, MinTLABSize, 2*K, \ "Minimum allowed TLAB size (in bytes)") \ - range(1, max_uintx) \ + range(1, max_uintx/2) \ constraint(MinTLABSizeConstraintFunc,AfterMemoryInit) \ \ product(size_t, TLABSize, 0, \