Re: [PATCH] tracing: Use task_nice() in function __update_max_tr()to get the nice value of task.

From: Peter Zijlstra
Date: Thu Jan 23 2014 - 03:27:02 EST

On Thu, Jan 23, 2014 at 12:11:04PM -0500, Dongsheng Yang wrote:
> On 01/22/2014 11:00 PM, Steven Rostedt wrote:
> >
> >Bah, I just noticed that TASK_NICE is in kernel/sched/sched.h not
> >include/linux/sched.h
> >
> >Peter, is there a reason that task_nice() is not a static inline in
> >sched.h and have these macros there too? They only reference fields in
> >task_struct that are already defined there. I don't see why they need
> >to be private to kernel/sched.
> Agree. These macros are useful to other modules out of kernel/sched.
> But they are private to kernel/sched currently.

And the floodgates open.. _why_ would a module care about nice values?
That's sounds just so full of wrong.

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