commit 51a621db8dea9232f464ca150b53535857400b32
author Sangheon Kim <sangheki@openjdk.org> Fri Jan 29 16:25:10 2016 -0800
committer Sangheon Kim <sangheki@openjdk.org> Fri Jan 29 16:25:10 2016 -0800
tree 57c34ea9fe44c61119ab8861901cd45be441b8d9
parent 0aa333b8d00b3a95a7d5c12c7b32ad4ddca2279e

8145190: MinTLABSize can cause overflow problem with CMS GC

Changed max range of MinTLABSize from max_uintx to max_uintx/2

Reviewed-by: jwilhelm, tbenson

hotspot/src/share/vm/runtime/globals.hpp

diff --git a/hotspot/src/share/vm/runtime/globals.hpp b/hotspot/src/share/vm/runtime/globals.hpp
index 0c45b3b..5cfbf11 100644
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@@ -3260,7 +3260,7 @@
                                                                             \
   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,                                              \