Re: [RFC PATCH 3/3] mm, fault_around: do not take a reference to a locked page

[William Kucharski]

> On Nov 20, 2018, at 7:12 AM, Michal Hocko <mho...@kernel.org> wrote:
> 
> +             /*
> +              * Check the locked pages before taking a reference to not
> +              * go in the way of migration.
> +              */

Could you make this a tiny bit more explanative, something like:

+               /*
+                * Check for a locked page first, as a speculative
+                * reference may adversely influence page migration.
+                */

Reviewed-by: William Kucharski <william.kuchar...@oracle.com>