如果需要per - CPU数据(这在检查区段头时确定)，那么就分配per - cpu块。
If per-CPU data is needed (as determined in the section header checks), a per-CPU block is allocated.
等等）。 完成健康检查后，就会解析 ELF 映像，然后会为每个区段头创建一组方便变量，简化随后的访问。
When these sanity checks are passed, the ELF image is parsed and a set of convenience variables are created for each section header to simplify their access later.
这个特性检查数据和区段的一致性和损坏，当前这是通过oncheck实用程序完成的。
This feature checks the consistency and the corruption on data and extents, which is currently done through the oncheck utility.
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