allow ffs & co. a binary search

[Erich Dollansky]

Hi,

On Thu, 11 Jun 2015 06:57:51 -0600
Ian Lepore <ian at freebsd.org> wrote:

> On Thu, 2015-06-11 at 15:21 +0800, Erich Dollansky wrote:
> > On Sun, 07 Jun 2015 08:53:18 +0200
> > Hans Petter Selasky <hps at selasky.org> wrote:
> > 
> Is there any reason that this whole change, userland and kernel, isn't
> just:
> 
> #define ffs(n) __builtin_ffs(n)

I did not see this. Where is it?

Of course, if this is already done, it does not have to be done again.

Erich