Re: [PATCH 4/9] select: Micro-optimise __estimate_accuracy()

Cyrill Gorcunov
2019-09-09T12:14:42Z

On Mon, Sep 09, 2019 at 12:50:27PM +0100, Dmitry Safonov wrote:
> Hi Cyrill,
>
> On Mon, 9 Sep 2019 at 12:18, Cyrill Gorcunov <gorcunov@gmail.com> wrote:
> > Compiler precompute constants so it doesn't do division here.
> > But I didn't read the series yet so I might be missing
> > something obvious.
>
> Heh, like a division is in ktime_divns()?

Ah, you meant the ktime_divns you've dropped out. I thought
you were talking about the constant value we've had here before
your patch. Seems I didn't got the changelog right. Anyway
need to take more precise look on the series. Hopefully soon.