摘要：
```struct task_struct { struct thread_info thread_info; volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped: */ void *stack; /* 堆指针 */ atomic_t usage; /* 进程描述符使用计数，... 阅读全文
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摘要：
```struct task_struct { struct thread_info thread_info; volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped: */ void *stack; /* 堆指针 */ atomic_t usage; /* 进程描述符使用计数，... 阅读全文
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