Re: [PATCH] Add /proc/PID/{smaps, numa_maps} support for DAX

From: Michal Hocko
Date: Tue Oct 24 2017 - 08:01:48 EST


On Tue 24-10-17 15:52:01, Fan Du wrote:
> So user could check those interface for more detailed
> information about how much DAX mappings are currently
> created.
>
> Here we use vma_is_dax method to find specific page
> struture with DAX {huge, normal}page mappings,
> vm_normal_page routine works as before without any
> impact on the existing logical where _vm_normal_page
> are called.

And like for any other user visible changes it should be CC to the
linux-api mailing list and a usecase which requires this information
provided as well.
--
Michal Hocko
SUSE Labs