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

rev 52059 : 8211955: GC abstraction for LAB reserve

@@ -21,10 +21,11 @@
  * questions.
  *
  */
 
 #include "precompiled.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/threadLocalAllocBuffer.inline.hpp"
 #include "logging/log.hpp"
 #include "memory/resourceArea.hpp"
 #include "memory/universe.hpp"
 #include "oops/oop.inline.hpp"

@@ -459,5 +460,10 @@
     _perf_max_fast_refill_waste   ->set_value(_max_fast_refill_waste);
     _perf_total_slow_allocations  ->set_value(_total_slow_allocations);
     _perf_max_slow_allocations    ->set_value(_max_slow_allocations);
   }
 }
+
+size_t ThreadLocalAllocBuffer::end_reserve() {
+  size_t reserve_size = Universe::heap()->tlab_alloc_reserve();
+  return MAX2(reserve_size, (size_t)_reserve_for_allocation_prefetch);
+}