--- a/src/share/vm/memory/metaspace.cpp	Tue Mar 19 13:44:26 2013 +0100
+++ b/src/share/vm/memory/metaspace.cpp	Fri Mar 22 10:32:21 2013 +0100
@@ -1103,25 +1103,24 @@
 }
 
 bool MetaspaceGC::should_expand(VirtualSpaceList* vsl, size_t word_size) {
+  // If the user wants a limit, impose one.
+  if (!FLAG_IS_DEFAULT(MaxMetaspaceSize) &&
+      MetaspaceAux::reserved_in_bytes() >= MaxMetaspaceSize) {
+    return false;
+  }
 
   // Class virtual space should always be expanded.  Call GC for the other
   // metadata virtual space.
   if (vsl == Metaspace::class_space_list()) return true;
 
-  // If the user wants a limit, impose one.
-  size_t max_metaspace_size_words = MaxMetaspaceSize / BytesPerWord;
-  size_t metaspace_size_words = MetaspaceSize / BytesPerWord;
-  if (!FLAG_IS_DEFAULT(MaxMetaspaceSize) &&
-      vsl->capacity_words_sum() >= max_metaspace_size_words) {
-    return false;
-  }
-
   // If this is part of an allocation after a GC, expand
   // unconditionally.
   if(MetaspaceGC::expand_after_GC()) {
     return true;
   }
 
+  size_t metaspace_size_words = MetaspaceSize / BytesPerWord;
+
   // If the capacity is below the minimum capacity, allow the
   // expansion.  Also set the high-water-mark (capacity_until_GC)
   // to that minimum capacity so that a GC will not be induced
@@ -1311,8 +1310,7 @@
       gclog_or_tty->print_cr("  metaspace HWM: %.1fK", new_capacity_until_GC / (double) K);
     }
   }
-  assert(vsl->used_bytes_sum() == used_after_gc &&
-         used_after_gc <= vsl->capacity_bytes_sum(),
+  assert(used_after_gc <= vsl->capacity_bytes_sum(),
          "sanity check");
 
 }
@@ -1972,6 +1970,9 @@
 }
 
 SpaceManager::~SpaceManager() {
+  // This call this->_lock which can't be done while holding expand_lock()
+  const size_t in_use_before = sum_capacity_in_chunks_in_use();
+
   MutexLockerEx fcl(SpaceManager::expand_lock(),
                     Mutex::_no_safepoint_check_flag);
 
@@ -1989,7 +1990,7 @@
 
   // Have to update before the chunks_in_use lists are emptied
   // below.
-  chunk_manager->inc_free_chunks_total(sum_capacity_in_chunks_in_use(),
+  chunk_manager->inc_free_chunks_total(in_use_before,
                                        sum_count_in_chunks_in_use());
 
   // Add all the chunks in use by this space manager