On Thu, 10 Nov 2016 14:11:57 -0800 Dan Williams <dan.j.willi...@intel.com> wrote:
> ZONE_DEVICE pages are mapped into a process via the filesystem-dax and > device-dax mechanisms. There are also proposals to use ZONE_DEVICE > pages for other usages outside of dax. Add statistics to smaps so > applications can debug that they are obtaining the mappings they expect, > or otherwise accounting them. > > ... > > fs/proc/task_mmu.c | 10 +++++++++- Please update Documentation/filesystems/proc.txt. (While there, please check to see if anything else is missed?)