# HG changeset patch
# User sjohanss
# Date 1392972532 -3600
# Node ID bac9ef65b71d7344016b983a87dcc0e57bded6d3
# Parent  9c9f4dac029b8602487a9c45694b70a2ef23fefe
8035057: NewSize ergonomics wrong when setting small or unaligned size on command line
Summary: Making sure that if NewSize is set on the command line it should be used for both min and initial size even if it is re-aligned.
Reviewed-by: jwilhelm, jmasa

diff -r 9c9f4dac029b -r bac9ef65b71d src/share/vm/memory/collectorPolicy.cpp
--- a/src/share/vm/memory/collectorPolicy.cpp	Fri Jan 31 13:38:01 2014 +0100
+++ b/src/share/vm/memory/collectorPolicy.cpp	Fri Feb 21 09:48:52 2014 +0100
@@ -304,10 +304,13 @@
   }
 
   // Now take the actual NewSize into account. We will silently increase NewSize
-  // if the user specified a smaller value.
+  // if the user specified a smaller or unaligned value.
   smallest_new_size = MAX2(smallest_new_size, (uintx)align_size_down(NewSize, _gen_alignment));
   if (smallest_new_size != NewSize) {
-    FLAG_SET_ERGO(uintx, NewSize, smallest_new_size);
+    // Do not use FLAG_SET_ERGO to update NewSize here, since this will override
+    // if NewSize was set on the command line or not. This information is needed
+    // later when setting the initial and minimum young generation size.
+    NewSize = smallest_new_size;
   }
   _initial_gen0_size = NewSize;