On 09.10.19 15:29, Michal Hocko wrote: > On Wed 09-10-19 15:24:05, David Hildenbrand wrote: >> On 09.10.19 15:22, Michal Hocko wrote: >>> On Wed 09-10-19 14:58:24, David Hildenbrand wrote: >>> [...] >>>> I would be fine with this, but it means that - for now - the three >>>> /proc/ files won't be able to deal with ZONE_DEVICE memory. >>> >>> Thanks for the clarification. Is this an actual problem though? Do we >>> have any consumers of the functionality? >>> >> >> I don't know, that's why I was being careful in not changing its behavior. > > Can we simply go with pfn_to_online_page. I would be quite surprised if > anybody was really examining zone device memory ranges as they are > static IIUC. If there is some usecase I am pretty sure we will learn > that and can address it accordingly. > I consider it mostly a debug interface either way. Will rework, test and resend. Thanks! -- Thanks, David / dhildenb
