On Thu 05-02-15 16:33:11, Shaohua Li wrote: [...] > Did you think about move the MADV_FREE pages to the head of inactive LRU, so > they can be reclaimed easily? Yes this makes sense for pages living on the active LRU list. I would preserve LRU ordering on the inactive list because there is no good reason to make the operation more costly for inactive pages. On the other hand having tons of to-be-freed pages on the active list clearly sucks. Care to send a patch? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>