On Tue, 9 Apr 2013, Joonsoo Kim wrote: > Currently, freed pages via rcu is not counted for reclaimed_slab, because > it is freed in rcu context, not current task context. But, this free is > initiated by this task, so counting this into this task's reclaimed_slab > is meaningful to decide whether we continue reclaim, or not. > So change code to count these pages for this task's reclaimed_slab. slab->reclaim_state guides the reclaim actions in vmscan.c. With this patch slab->reclaim_state could get quite a high value without new pages being available for allocation. slab->reclaim_state will only be updated when the RCU period ends. -- 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>