On Fri, Jul 08, 2016 at 10:34:50AM +0100, Mel Gorman wrote: > Memcg needs adjustment after moving LRUs to the node. Limits are tracked > per memcg but the soft-limit excess is tracked per zone. As global page > reclaim is based on the node, it is easy to imagine a situation where > a zone soft limit is exceeded even though the memcg limit is fine. > > This patch moves the soft limit tree the node. Technically, all the variable > names should also change but people are already familiar by the meaning of > "mz" even if "mn" would be a more appropriate name now. > > Signed-off-by: Mel Gorman <[email protected]> > Acked-by: Michal Hocko <[email protected]>
Yep, the soft limit tracking scope needs to match the reclaim scope. Nice patch :) Acked-by: Johannes Weiner <[email protected]>
