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深入浅出 Linux 内核(进程篇):进程切换之 ARM 体系架构
我以前写用户态代码的时候,从来没想过内核线程这么“寄生”。现在想想,调度器得时刻记得谁在用哪套页表,这活儿真不轻松。 大家好~ 我是蟹老板 很多人问我,Linux 进程上下文切换,内核到底在忙啥? 说真的,这玩意确实是面试必问,线上出问题十有八九 ...
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