8024776: Max/MinHeapFreeRatio descriptions should be more precise
authorjwilhelm
Fri, 11 Oct 2013 16:18:27 +0200
changeset 20719 ffa4f0de0dad
parent 20407 68e215ce8944
child 20720 b03e2f7796a7
8024776: Max/MinHeapFreeRatio descriptions should be more precise Summary: Descriptions for Max/MinHeapFreeRatio updated Reviewed-by: ehelin, jmasa
hotspot/src/share/vm/runtime/globals.hpp
--- a/hotspot/src/share/vm/runtime/globals.hpp	Mon Oct 07 15:51:17 2013 +0200
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Fri Oct 11 16:18:27 2013 +0200
@@ -3080,10 +3080,14 @@
           "class pointers are used")                                        \
                                                                             \
   product(uintx, MinHeapFreeRatio,    40,                                   \
-          "The minimum percentage of heap free after GC to avoid expansion")\
+          "The minimum percentage of heap free after GC to avoid expansion."\
+          " For most GCs this applies to the old generation. In G1 it"      \
+          " applies to the whole heap. Not supported by ParallelGC.")       \
                                                                             \
   product(uintx, MaxHeapFreeRatio,    70,                                   \
-          "The maximum percentage of heap free after GC to avoid shrinking")\
+          "The maximum percentage of heap free after GC to avoid shrinking."\
+          " For most GCs this applies to the old generation. In G1 it"      \
+          " applies to the whole heap. Not supported by ParallelGC.")       \
                                                                             \
   product(intx, SoftRefLRUPolicyMSPerMB, 1000,                              \
           "Number of milliseconds per MB of free space in the heap")        \