Version 4.4.63.30 (cherry-pick)

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 5389 matching lines @@
     factor = max_factor -
              (freed_global_handles - kMinHandles) * (max_factor - min_factor) /
                  (kMaxHandles - kMinHandles);
   }
 
   if (FLAG_stress_compaction ||
       mark_compact_collector()->reduce_memory_footprint_) {
     factor = min_factor;
   }
 
+  const double kConservativeHeapGrowingFactor = 1.3;
+  if (gc_idle_time_handler_.ShouldGrowHeapSlowly()) {
+    factor = Min(factor, kConservativeHeapGrowingFactor);
+  }
+
+
   idle_factor = Min(factor, idle_max_factor);
 
   old_generation_allocation_limit_ =
       CalculateOldGenerationAllocationLimit(factor, old_gen_size);
   idle_old_generation_allocation_limit_ =
       CalculateOldGenerationAllocationLimit(idle_factor, old_gen_size);
 
   if (FLAG_trace_gc_verbose) {
     PrintIsolate(
         isolate_,
@@ skipping 1173 matching lines @@
       }
       delete list;
     } else {
       prev = list;
     }
     list = next;
   }
 }
 }
 }  // namespace v8::internal