src/hotspot/share/gc/shared/plab.cpp

@@ -22,10 +22,11 @@
  *
  */
 
 #include "precompiled.hpp"
 #include "gc/shared/collectedHeap.hpp"
+#include "gc/shared/fill.hpp"
 #include "gc/shared/plab.inline.hpp"
 #include "gc/shared/threadLocalAllocBuffer.hpp"
 #include "logging/log.hpp"
 #include "oops/oop.inline.hpp"
 

@@ -40,11 +41,11 @@
 
 PLAB::PLAB(size_t desired_plab_sz_) :
   _word_sz(desired_plab_sz_), _bottom(NULL), _top(NULL),
   _end(NULL), _hard_end(NULL), _allocated(0), _wasted(0), _undo_wasted(0)
 {
-  AlignmentReserve = Universe::heap()->tlab_alloc_reserve();
+  AlignmentReserve = Fill::min_reserve_size();
   assert(min_size() > AlignmentReserve,
          "Minimum PLAB size " SIZE_FORMAT " must be larger than alignment reserve " SIZE_FORMAT " "
          "to be able to contain objects", min_size(), AlignmentReserve);
 }
 

@@ -78,18 +79,18 @@
 }
 
 size_t PLAB::retire_internal() {
   size_t result = 0;
   if (_top < _hard_end) {
-    Universe::heap()->fill_with_dummy_object(_top, _hard_end, true);
+    Fill::range(_top, _hard_end);
     result += invalidate();
   }
   return result;
 }
 
 void PLAB::add_undo_waste(HeapWord* obj, size_t word_sz) {
-  Universe::heap()->fill_with_dummy_object(obj, obj + word_sz, true);
+  Fill::range(obj, word_sz);
   _undo_wasted += word_sz;
 }
 
 void PLAB::undo_last_allocation(HeapWord* obj, size_t word_sz) {
   assert(pointer_delta(_top, _bottom) >= word_sz, "Bad undo");