src/hotspot/share/gc/g1/heapRegion.cpp

@@ -111,11 +111,10 @@
   assert(_humongous_start_region == NULL,
          "we should have already filtered out humongous regions");
   assert(!in_collection_set(),
          "Should not clear heap region %u in the collection set", hrm_index());
 
-  set_allocation_context(AllocationContext::system());
   set_young_index_in_cset(-1);
   uninstall_surv_rate_group();
   set_free();
   reset_pre_dummy_top();
 

@@ -234,11 +233,10 @@
 HeapRegion::HeapRegion(uint hrm_index,
                        G1BlockOffsetTable* bot,
                        MemRegion mr) :
     G1ContiguousSpace(bot),
     _hrm_index(hrm_index),
-    _allocation_context(AllocationContext::system()),
     _humongous_start_region(NULL),
     _evacuation_failed(false),
     _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0),
     _next(NULL), _prev(NULL),
 #ifdef ASSERT

@@ -265,12 +263,11 @@
 void HeapRegion::report_region_type_change(G1HeapRegionTraceType::Type to) {
   HeapRegionTracer::send_region_type_change(_hrm_index,
                                             get_trace_type(),
                                             to,
                                             (uintptr_t)bottom(),
-                                            used(),
-                                            (uint)allocation_context());
+                                            used());
 }
 
 void HeapRegion::note_self_forwarding_removal_start(bool during_initial_mark,
                                                     bool during_conc_mark) {
   // We always recreate the prev marking info and we'll explicitly

@@ -453,11 +450,10 @@
     st->print("|CS");
   } else {
     st->print("|  ");
   }
   st->print("|TS%3u", _gc_time_stamp);
-  st->print("|AC%3u", allocation_context());
   st->print_cr("|TAMS " PTR_FORMAT ", " PTR_FORMAT "|",
                p2i(prev_top_at_mark_start()), p2i(next_top_at_mark_start()));
 }
 
 class G1VerificationClosure : public OopClosure {