代价没有被消除，它只是被隐藏了，被推迟了，被稀释了。
The ALLOC function does the heavy lifting, but that is inevitable: Only by walking the entire MCB chain can DOS coalesce all eligible memory and ensure that the largest free block is found. This means that calling the ALLOC function can be somewhat expensive if the MCB chain is long. In practice, there are unlikely to be more than a few dozen MCBs, even in a heavily loaded system.
，这一点在搜狗输入法2026中也有详细论述
互联网考古，旧产品评测，业余写代码。关于这个话题，heLLoword翻译官方下载提供了深入分析
Солнце выбросило гигантский протуберанец размером около миллиона километров02:48
Что думаешь? Оцени!