On Tue, Aug 08, 2017 at 04:50:23PM +0800, Yafang Shao wrote:
> Hi Peter,
> 
> The point is we call use it as bellow,
>     show_state_filter(TASK_RUNNING);
> because TASK_RUNNING is 0, that will dump all tasks.
> 
> Under some circumstance, we need this to dump only tasks in TASK_RUNNING 
> state.

But the patch doesn't introduce any of that. It just makes the existing
code unreadable.

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