536     auto SegsSizes = BL.getContiguousPageBasedLayoutSizes(PageSize);  in allocate()  local
538     if (!SegsSizes) {  in allocate()
539       OnAllocated(SegsSizes.takeError());  in allocate()
547       if (SegsSizes->total() > SlabRemaining.allocatedSize()) {  in allocate()
550                 formatv("{0:x}", SegsSizes->total()) +  in allocate()
559           sys::MemoryBlock(AllocBase + SegsSizes->total(),  in allocate()
560                            SlabRemaining.allocatedSize() - SegsSizes->total());  in allocate()
563     sys::MemoryBlock StandardSegs(AllocBase, SegsSizes->StandardSegs);  in allocate()
564     sys::MemoryBlock FinalizeSegs(AllocBase + SegsSizes->StandardSegs,  in allocate()
565                                   SegsSizes->FinalizeSegs);  in allocate()
572       if (SegsSizes->StandardSegs)  in allocate()
578       if (SegsSizes->FinalizeSegs)  in allocate()