Re: [rfc 2/3] fs, proc: Introduce the Children: line in/proc/<pid>/status

[Cyrill Gorcunov]

On Thu, Dec 01, 2011 at 01:29:11PM -0800, Andrew Morton wrote:
> 
> That's a potentially very long hold time for tasklist_lock, and
> userspace can invoke this at a high frequency.  Not good.
> 
> I think this can all be done under rcu_read_lock() with
> list_for_each_entry_rcu().
> 

Yeah, good point, thanks Andrew!

	Cyrill
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