On Wed, 2018-11-07 at 08:35 +0100, Michal Hocko wrote: > On Wed 07-11-18 07:35:18, Balbir Singh wrote: > > The check seems to be quite aggressive and in a loop that iterates > > pages, but has nothing to do with the page, did you mean to make > > the check > > > > zone_idx(page_zone(page)) == ZONE_MOVABLE > > Does it make any difference? Can we actually encounter a page from a > different zone here? AFAIK, test_pages_in_a_zone() called from offline_pages() should ensure that the range belongs to a unique zone, so we should not encounter pages from other zones there, right? --- Oscar Suse L3
