# HG changeset patch
# User jmasa
# Date 1205270393 25200
# Node ID ad618a71f91468868f7f21a3f52632542fc5f0ae
# Parent  970e734a656bbee436fcc59ae58b5d1f7448bd5a
6673975: Disable ZapUnusedHeapArea to reduce GC execution times of debug JVM's.
Summary: Mangling the unused space is having an adverse affect on testing with fastdebug builds so turn it off by default.
Reviewed-by: ysr, tonyp

diff -r 970e734a656b -r ad618a71f914 hotspot/src/share/vm/runtime/globals.hpp
--- a/hotspot/src/share/vm/runtime/globals.hpp	Wed Mar 05 17:37:04 2008 -0800
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Tue Mar 11 14:19:53 2008 -0700
@@ -586,7 +586,7 @@
   develop(bool, ZapJNIHandleArea, trueInDebug,                              \
           "Zap freed JNI handle space with 0xFEFEFEFE")                     \
                                                                             \
-  develop(bool, ZapUnusedHeapArea, trueInDebug,                             \
+  develop(bool, ZapUnusedHeapArea, false,                                   \
           "Zap unused heap space with 0xBAADBABE")                          \
                                                                             \
   develop(bool, PrintVMMessages, true,                                      \