算法可通过双链表来实现。

The algorithm comes up with doubly linked list.

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圆形，双链表，如何管理节点对象的关系？

Circular, doubly linked list, how to manage the node to object relationship?

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在Linuxkernel中，所有的进程都是用双链表表示的，双链表带的数据是task_struct. kernel保存一个current指针，指向当前系统中执行的进程。

Within the Linux kernel, all active processes are represented using a doubly linked list of task_struct. The kernel maintains a pointer-current-to the process currently executing on the system.

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在Linuxkernel中，所有的进程都是用双链表表示的，双链表带的数据是task_struct. kernel保存一个current指针，指向当前系统中执行的进程。

Within the Linux kernel, all active processes are represented using a doubly linked list of task_struct. The kernel maintains a pointer-current-to the process currently executing on the system.

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