Most ad-hoc memory allocation will not be done at the page-level, so
You generally see two different approaches to Virtual Machine Monitor design depending on the workload. The first is strict minimalism, seen in projects like Firecracker. Built specifically for running thousands of tiny, short-lived functions on a single server, it intentionally leaves out complex features like hot-plugging CPUs or passing through physical GPUs. The goal is simply the smallest possible attack surface and memory footprint.
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likely to use other means of moving money in most scenarios. Still, the bank
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2. 排序：将堆顶(最大值)与末尾交换，堆大小-1，重新调整堆