Re: [PATCH] sched/core: Remove wakeup_gran with single call calc_delta_fair
From: Mike Galbraith
Date: Tue Apr 07 2015 - 12:55:39 EST
On Tue, 2015-04-07 at 16:37 +0300, Abel Vesa wrote:
> On Tue, Apr 7, 2015 at 1:30 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx
> > wrote:
> > On Mon, Apr 06, 2015 at 09:43:43PM +0300, Abel Vesa wrote:
> > > This patch removes function wakeup_gran and its call by calling
> > > directly
> > > calc_delta_fair function with sysctl_sched_wakeup_granularity
> > > and se as arguments.
> > But why?
> I was thinking that maybe reducing another function call would be a
> better idea.
> I don't see what's the point of calling a 'wakeup_gran' just to
> declare 'gran' as local variable and then
> call calc_delta_fair instead of calling directly calc_delta_fair.
> Plus, I think it seems more
> readable to me. Of course, I might be wrong.
I expected it be inlined by gcc, but that didn't happen with gcc-4.8.3.
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