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Eric W. Biederman wrote: Just a few typos in comments. > @@ -17,6 +17,8 @@ struct pid > struct hlist_node pid_chain; > /* list of pids with the same nr, only one of them is in the hash */ > struct list_head pid_list; > + /* Does a weak references of this type exsit to the task struct? */ > + struct task_ref *ref; exsit -> exist > +/* Note to read a usable value task value from struct task_ref > + * the tasklist_lock must be held. The atomic property of single > + * word reads will keep any vaule you read consistent but it doesn't vaule -> value > + * protect you from the race of the task exiting on another cpu and > + * having it's task_struct freed or reused. Holding the tasklist_lock > + * prevents the task from going away as you derference the task pointer. derference -> dereference -- Suleiman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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