src/hotspot/share/gc/cms/parNewGeneration.cpp

rev 52325 : 8213113: Dead code related to UseAdaptiveSizePolicy in ParNewGeneration
Summary: Removed dead code related to UseAdaptiveSizePolicy for CMS

@@ -886,14 +886,11 @@
   _gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start());
   gch->trace_heap_before_gc(gc_tracer());
 
   init_assuming_no_promotion_failure();
 
-  if (UseAdaptiveSizePolicy) {
-    set_survivor_overflow(false);
     size_policy->minor_collection_begin();
-  }
 
   GCTraceTime(Trace, gc, phases) t1("ParNew", NULL, gch->gc_cause());
 
   age_table()->clear();
   to()->clear(SpaceDecorator::Mangle);

@@ -1015,14 +1012,11 @@
   plab_stats()->adjust_desired_plab_sz();
 
   TASKQUEUE_STATS_ONLY(thread_state_set.print_termination_stats());
   TASKQUEUE_STATS_ONLY(thread_state_set.print_taskqueue_stats());
 
-  if (UseAdaptiveSizePolicy) {
     size_policy->minor_collection_end(gch->gc_cause());
-    size_policy->avg_survived()->sample(from()->used());
-  }
 
   // We need to use a monotonically non-decreasing time in ms
   // or we will see time-warp warnings and os::javaTimeMillis()
   // does not guarantee monotonicity.
   jlong now = os::javaTimeNanos() / NANOSECS_PER_MILLISEC;

@@ -1106,13 +1100,10 @@
   oop forward_ptr;
 
   // Try allocating obj in to-space (unless too old)
   if (dummyOld.age() < tenuring_threshold()) {
     new_obj = (oop)par_scan_state->alloc_in_to_space(sz);
-    if (new_obj == NULL) {
-      set_survivor_overflow(true);
-    }
   }
 
   if (new_obj == NULL) {
     // Either to-space is full or we decided to promote try allocating obj tenured