Re: [PATCH] I3 sched tweaks...

[Rusty Russell <rusty@rustcorp.com.au>]

In message <Pine.LNX.4.33.0201160412180.24929-100000@devserv.devel.redhat.com> 
you write:
> > 4) scheduler_tick needs no args (p is always equal to current).
> 
> i have not taken this part. We have 'current' calculated in
> update_process_times(), so why not pass it along to the scheduler_tick()
> function?

Because it's redundant.  It's *always* p == current (and the code
assumes this!), but I had to grep the callers to find out.

Moreover, the function doesn't make *sense* if p != current...

> > 3) lock_task_rq returns the rq, rather than assigning it, for clarity.
>
> i've made it an inline function instead of a macro.

I thought of that, but assumed you had a good reason for making it a
macro in the first place...

Thanks!
Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.