161       main_space_(nullptr),  in Heap()
463     CHECK(main_space_ != nullptr);  in Heap()
464     AddSpace(main_space_);  in Heap()
466       non_moving_space_ = main_space_;  in Heap()
544   if (collector::SemiSpace::kUseRememberedSet && non_moving_space_ != main_space_) {  in Heap()
698   if (collector::SemiSpace::kUseRememberedSet && main_space_ != nullptr) {  in CreateMainMallocSpace()
699     RemoveRememberedSet(main_space_);  in CreateMainMallocSpace()
702   main_space_ = CreateMallocSpaceFromMemMap(mem_map, initial_size, growth_limit, capacity, name,  in CreateMainMallocSpace()
704   SetSpaceAsDefault(main_space_);  in CreateMainMallocSpace()
705   VLOG(heap) << "Created main space " << main_space_;  in CreateMainMallocSpace()
732   if (!IsMovingGc(collector_type_) && non_moving_space_ != main_space_) {  in DisableMovingGc()
733     CHECK(main_space_ != nullptr);  in DisableMovingGc()
741     main_space_->DisableMovingObjects();  in DisableMovingGc()
742     non_moving_space_ = main_space_;  in DisableMovingGc()
1049   space::ContinuousSpace* space1 = main_space_ != nullptr ? main_space_ : non_moving_space_;  in MarkAllocStackAsLive()
1346       space = main_space_;  in ThrowOutOfMemoryError()
2019   return main_space_backup_.get() != nullptr && main_space_ != nullptr &&  in SupportHomogeneousSpaceCompactAndCollectorTransitions()
2040         !main_space_->CanMoveObjects()) {  in PerformHomogeneousSpaceCompact()
2060     space::MallocSpace* from_space = main_space_;  in PerformHomogeneousSpaceCompact()
2068     main_space_ = to_space;  in PerformHomogeneousSpaceCompact()
2071     SetSpaceAsDefault(main_space_);  // Set as default to reset the proper dlmalloc space.  in PerformHomogeneousSpaceCompact()
2155           collector = Compact(bump_pointer_space_, main_space_, kGcCauseCollectorTransition);  in TransitionCollector()
2157           mem_map.reset(main_space_->ReleaseMemMap());  in TransitionCollector()
2159           if (dlmalloc_space_ == main_space_) {  in TransitionCollector()
2161           } else if (rosalloc_space_ == main_space_) {  in TransitionCollector()
2166           RemoveSpace(main_space_);  in TransitionCollector()
2167           RemoveRememberedSet(main_space_);  in TransitionCollector()
2168           delete main_space_;  // Delete the space since it has been removed.  in TransitionCollector()
2169           main_space_ = nullptr;  in TransitionCollector()
2193           AddSpace(main_space_);  in TransitionCollector()
2194           collector = Compact(main_space_, bump_pointer_space_, kGcCauseCollectorTransition);  in TransitionCollector()
2445   const bool same_space = non_moving_space_ == main_space_;  in PreZygoteFork()
2464       CHECK(main_space_ != nullptr);  in PreZygoteFork()
2465       CHECK_NE(main_space_, non_moving_space_)  in PreZygoteFork()
2468       zygote_collector.SetFromSpace(main_space_);  in PreZygoteFork()
2475       main_space_->GetMemMap()->Protect(PROT_READ | PROT_WRITE);  in PreZygoteFork()
2476       madvise(main_space_->Begin(), main_space_->Capacity(), MADV_DONTNEED);  in PreZygoteFork()
2477       MemMap* mem_map = main_space_->ReleaseMemMap();  in PreZygoteFork()
2478       RemoveSpace(main_space_);  in PreZygoteFork()
2479       space::Space* old_main_space = main_space_;  in PreZygoteFork()
2483       AddSpace(main_space_);  in PreZygoteFork()
2525     main_space_ = non_moving_space_;  in PreZygoteFork()
2526     SetSpaceAsDefault(main_space_);  in PreZygoteFork()