On 11/01/18 at 10:22am, Michal Hocko wrote: > > I haven't figured out why the above commit caused those memmory > > block in MOVABL zone being not removable. Still checking. Attach the > > tested reverting patch in this mail. > > Could you check which of the test inside has_unmovable_pages claimed the > failure? Going back to marking movable_zone as guaranteed to offline is > just too fragile. Sure, will add debugging code and check. Will update if anything found.