Re: [PATCH 1/5] pid: Implement task references.

[Suleiman Souhlal <ssouhlal@FreeBSD.org>]

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