Re: [PATCH] mm: larger stack guard gap, between vmas

From: Linus Torvalds
Date: Wed Jul 05 2017 - 19:51:18 EST

On Wed, Jul 5, 2017 at 4:35 PM, Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:
>> And I think your second patch breaks that "use a really large value to
>> approximate infinity" case that definitely has existed as a pattern.
> Right. Well that seems to leave us with remembering the MAP_FIXED flag
> and using that as the condition to ignore the previous mapping.

I'm not particularly happy about having a MAP_FIXED special case, but
yeah, I'm not seeing a lot of alternatives.