Record slots in large objects.

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/heap/incremental-marking.h"
 
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
 #include "src/conversions.h"
 #include "src/heap/mark-compact-inl.h"
@@ skipping 279 matching lines @@
   IncrementalMarkingMarkingVisitor::Initialize();
 }
 
 
 void IncrementalMarking::SetOldSpacePageFlags(MemoryChunk* chunk,
                                               bool is_marking,
                                               bool is_compacting) {
   if (is_marking) {
     chunk->SetFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
     chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
-
-    // It's difficult to filter out slots recorded for large objects.
-    if (chunk->owner()->identity() == LO_SPACE &&
-        chunk->size() > static_cast<size_t>(Page::kPageSize) && is_compacting) {
-      chunk->SetFlag(MemoryChunk::RESCAN_ON_EVACUATION);
-    }
   } else {
     chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
     chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
   }
 }
 
 
 void IncrementalMarking::SetNewSpacePageFlags(NewSpacePage* chunk,
                                               bool is_marking) {
   chunk->SetFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
@@ skipping 705 matching lines @@
 void IncrementalMarking::IncrementIdleMarkingDelayCounter() {
   idle_marking_delay_counter_++;
 }
 
 
 void IncrementalMarking::ClearIdleMarkingDelayCounter() {
   idle_marking_delay_counter_ = 0;
 }
 }  // namespace internal
 }  // namespace v8