On Wed 14-11-18 07:43:41, Wei Yang wrote: > On Tue, Nov 13, 2018 at 10:07:58AM +0100, Michal Hocko wrote: > >On Tue 13-11-18 08:16:44, Wei Yang wrote: > > > >No, I believe we want all three of them. But reviewing > >for_each_populated_zone users and explicit checks for present/managed > >pages and unify them would be a step forward both a more optimal code > >and more maintainable code. I haven't checked but > >for_each_populated_zone would seem like a proper user for managed page > >counter. But that really requires to review all current users. > > > > To sync with your purpose, I searched the user of > for_each_populated_zone() and replace it with a new loop > for_each_managed_zone(). I do not think we really want a new iterator. Is there any users of for_each_populated_zone which would be interested in something else than managed pages? -- Michal Hocko SUSE Labs
