src/hotspot/share/memory/metaspace/spaceManager.cpp
branchstuefe-new-metaspace-branch
changeset 58840 7678903a348f
parent 58716 960e372a6065
child 58882 58b20be7bc04
--- a/src/hotspot/share/memory/metaspace/spaceManager.cpp	Tue Oct 29 12:07:19 2019 +0100
+++ b/src/hotspot/share/memory/metaspace/spaceManager.cpp	Tue Oct 29 12:10:57 2019 +0100
@@ -127,6 +127,14 @@
   log_debug(metaspace)("SpaceManager %s: allocated new chunk " METACHUNK_FORMAT " for requested word size " SIZE_FORMAT ".",
                        _name, METACHUNK_FORMAT_ARGS(c), requested_word_size);
 
+  // Workaround for JDK-8233019: never return space allocated at a 32bit aligned address
+  if (Settings::do_not_return_32bit_aligned_addresses() &&
+      (((intptr_t)c->base()) & 0xFFFFFFFF) == 0)
+  {
+    bool ignored;
+    c->allocate(1, &ignored);
+  }
+
   return c;
 
 }