--- old/src/hotspot/share/gc/z/zHeap.cpp	2018-09-18 21:51:58.589723648 +0200
+++ new/src/hotspot/share/gc/z/zHeap.cpp	2018-09-18 21:51:58.285710539 +0200
@@ -273,13 +273,13 @@
   // Update statistics
   ZStatSample(ZSamplerHeapUsedBeforeMark, used());
 
-  // Retire TLABs
-  _object_allocator.retire_tlabs();
-
   // Flip address view
   ZAddressMasks::flip_to_marked();
   flip_views();
 
+  // Retire allocating pages
+  _object_allocator.retire_pages();
+
   // Reset allocated/reclaimed/used statistics
   _page_allocator.reset_statistics();
 
@@ -475,9 +475,6 @@
   ZAddressMasks::flip_to_remapped();
   flip_views();
 
-  // Remap TLABs
-  _object_allocator.remap_tlabs();
-
   // Enter relocate phase
   ZGlobalPhase = ZPhaseRelocate;