Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE

From: Kees Cook
Date: Fri Dec 08 2017 - 15:13:43 EST


On Fri, Dec 8, 2017 at 12:33 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> OK, this doesn't seem to lead to anywhere. The more this is discussed
> the more names we are getting. So you know what? I will resubmit and
> keep my original name. If somebody really hates it then feel free to
> nack the patch and push alternative and gain concensus on it.
>
> I will keep MAP_FIXED_SAFE because it is an alternative to MAP_FIXED so
> having that in the name is _useful_ for everybody familiar with
> MAP_FIXED already. And _SAFE suffix tells that the operation doesn't
> cause any silent memory corruptions or other unexpected side effects.

Looks like consensus is MAP_FIXED_NOREPLACE.

-Kees

--
Kees Cook
Pixel Security