Hi, few days ago, I asked you for a method to traverse the task list "atomically", and some of you pointed me out to read_lock(&tasklist_lock), which I found it the right solution. But I forgot to mention I am outside the kernel, I am writing a kernel module I mean. And those symbols aren't exported. After some searches, I found rcu_read_lock() could do the job, and now I want to confirm this, please.
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