Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [PATCH 1/7] memcg: sc.nr_to_reclaim should be initialized | Date | Wed, 21 Jul 2010 22:34:23 +0900 (JST) |
| |
> On Fri, Jul 16, 2010 at 07:13:31PM +0900, KOSAKI Motohiro wrote: > > Currently, mem_cgroup_shrink_node_zone() initialize sc.nr_to_reclaim as 0. > > It mean shrink_zone() only scan 32 pages and immediately return even if > > it doesn't reclaim any pages. > > > > Do you mean it immediately returns once one page is reclaimed? i.e. this > check > > if (nr_reclaimed >= nr_to_reclaim && priority < DEF_PRIORITY) > break;
Strictly speaking, once SWAP_CLUSTER_MAX batch is scanned. no need to reclaim pages at all.
| |