kernel/vm/vm_address_region.cpp

363     auto itr = --subregions_.upper_bound(addr);
364     if (!itr.IsValid() || itr->base() > addr || addr > itr->base() + itr->size() - 1) {
368     return itr.CopyPointer();
544     for (auto itr = subregions_.begin(), end = subregions_.end(); itr != end;) {
545         DEBUG_ASSERT(itr->IsAliveLocked());
546         auto curr = itr++;
563                 itr = vmar->subregions_.begin();
569         if (depth > min_depth && itr == end) {
573                 itr = up->subregions_.upper_bound(curr->base());
574                 if (itr.IsValid()) {
579             if (!itr.IsValid()) {
652     auto itr = --subregions_.upper_bound(base);
653     if (!itr.IsValid()) {
654         itr = subregions_.begin();
655     } else if (base >= itr->base() + itr->size()) {
657         ++itr;
659     return itr;
689         for (auto itr = begin; itr != end; ++itr) {
690             const vaddr_t itr_end = itr->base() + itr->size();
691             if (!itr->is_mapping() && (!can_destroy_regions ||
692                                        itr->base() < base || itr_end > end_addr)) {
699     for (auto itr = begin; itr != end;) {
701         auto curr = itr++;
742                     itr = begin;
751         if (allow_partial_vmar && !at_top && itr == end) {
768             itr = begin;
810     for (auto itr = begin; itr != end; ++itr) {
811         if (!itr->is_mapping()) {
814         if (itr->base() != last_mapped) {
817         if (!itr->is_valid_mapping_flags(new_arch_mmu_flags)) {
820         if (itr->as_vm_mapping() == aspace_->vdso_code_mapping_) {
824         last_mapped = itr->base() + itr->size();
830     for (auto itr = begin; itr != end;) {
831         DEBUG_ASSERT(itr->is_mapping());
833         auto next = itr;
836         const vaddr_t curr_end = itr->base() + itr->size();
837         const vaddr_t protect_base = fbl::max(itr->base(), base);
841         zx_status_t status = itr->as_vm_mapping()->ProtectLocked(protect_base, protect_size,
849         itr = fbl::move(next);