Use smaller heap growing factor in idle notification to start incremental marking when there is idl…

src/heap/incremental-marking.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/heap/incremental-marking.h"
 
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
@@ skipping 369 matching lines @@
 
   LargePage* lop = heap_->lo_space()->first_page();
   while (lop->is_valid()) {
     SetOldSpacePageFlags(lop, true, is_compacting_);
     lop = lop->next_page();
   }
 }
 
 
 bool IncrementalMarking::ShouldActivate() {
-  return WorthActivating() && heap_->NextGCIsLikelyToBeFull();
+  return WorthActivating() &&
+         heap_->NextGCIsLikelyToBeFull(
+             heap_->old_generation_allocation_limit());
 }
 
 
 bool IncrementalMarking::WasActivated() { return was_activated_; }
 
 
 bool IncrementalMarking::WorthActivating() {
 #ifndef DEBUG
   static const intptr_t kActivationThreshold = 8 * MB;
 #else
@@ skipping 602 matching lines @@
 void IncrementalMarking::IncrementIdleMarkingDelayCounter() {
   idle_marking_delay_counter_++;
 }
 
 
 void IncrementalMarking::ClearIdleMarkingDelayCounter() {
   idle_marking_delay_counter_ = 0;
 }
 }
 }  // namespace v8::internal