319       main_space_(nullptr),  in Heap()
676     CHECK(main_space_ != nullptr);  in Heap()
677     AddSpace(main_space_);  in Heap()
679       non_moving_space_ = main_space_;  in Heap()
748   if (collector::SemiSpace::kUseRememberedSet && non_moving_space_ != main_space_) {  in Heap()
950   if (collector::SemiSpace::kUseRememberedSet && main_space_ != nullptr) {  in CreateMainMallocSpace()
951     RemoveRememberedSet(main_space_);  in CreateMainMallocSpace()
954   main_space_ = CreateMallocSpaceFromMemMap(std::move(mem_map),  in CreateMainMallocSpace()
959   SetSpaceAsDefault(main_space_);  in CreateMainMallocSpace()
960   VLOG(heap) << "Created main space " << main_space_;  in CreateMainMallocSpace()
1153   space::ContinuousSpace* space1 = main_space_ != nullptr ? main_space_ : non_moving_space_;  in MarkAllocStackAsLive()
1526       space = main_space_;  in ThrowOutOfMemoryError()
2196   return main_space_backup_.get() != nullptr && main_space_ != nullptr &&  in SupportHomogeneousSpaceCompactAndCollectorTransitions()
2217         !main_space_->CanMoveObjects()) {  in PerformHomogeneousSpaceCompact()
2237     space::MallocSpace* from_space = main_space_;  in PerformHomogeneousSpaceCompact()
2245     main_space_ = to_space;  in PerformHomogeneousSpaceCompact()
2248     SetSpaceAsDefault(main_space_);  // Set as default to reset the proper dlmalloc space.  in PerformHomogeneousSpaceCompact()
2508   const bool same_space = non_moving_space_ == main_space_;  in PreZygoteFork()
2527       CHECK(main_space_ != nullptr);  in PreZygoteFork()
2528       CHECK_NE(main_space_, non_moving_space_)  in PreZygoteFork()
2531       zygote_collector.SetFromSpace(main_space_);  in PreZygoteFork()
2538       main_space_->GetMemMap()->Protect(PROT_READ | PROT_WRITE);  in PreZygoteFork()
2539       madvise(main_space_->Begin(), main_space_->Capacity(), MADV_DONTNEED);  in PreZygoteFork()
2540       MemMap mem_map = main_space_->ReleaseMemMap();  in PreZygoteFork()
2541       RemoveSpace(main_space_);  in PreZygoteFork()
2542       space::Space* old_main_space = main_space_;  in PreZygoteFork()
2548       AddSpace(main_space_);  in PreZygoteFork()
2591     main_space_ = non_moving_space_;  in PreZygoteFork()
2592     SetSpaceAsDefault(main_space_);  in PreZygoteFork()