On Tue, Mar 08, 2022 at 09:17:58AM +0100, Michal Hocko wrote: >On Tue 08-03-22 01:20:47, Wei Yang wrote: >> next_mz is removed from rb_tree, let's add it back if no reclaim has >> been tried. > >Could you elaborate more why we need/want this? > Per my understanding, we add back the right most node even reclaim makes no progress, so it is reasonable to add back a node if we didn't get a chance to do reclaim on it. It looks like we forget to add it back to the tree. Maybe Johannes know some background why we don't add it back? -- Wei Yang Help you, Help me
