It then looks at movement of log data from the kernel into user space.
然后，本文介绍了日志数据从内核到用户空间的移动过程。
Now the data is stored in the user address space buffer.
现在数据被储存在用户地址空间缓冲区。
The copy_from_user function copies a block of data from user space into a kernel buffer.
copy _ from_user函数将数据块从用户空间复制到内核缓冲区。
The copy_to_user function copies a block of data from the kernel into user space.
copy _ to_user函数将数据块从内核复制到用户空间。
The copy_to_user function copies a block of data from the kernel into user space.
copy _ to_user函数将数据块从内核复制到用户空间。
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