Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [PATCH 04/09] memcg: make zone_reclaim_stat | Date | Mon, 1 Dec 2008 09:50:05 +0900 (JST) |
| |
> KOSAKI Motohiro wrote: > > > @@ -172,6 +173,10 @@ void activate_page(struct page *page) > > > > reclaim_stat->recent_rotated[!!file]++; > > reclaim_stat->recent_scanned[!!file]++; > > + > > + memcg_reclaim_stat = mem_cgroup_get_reclaim_stat_by_page(page); > > + memcg_reclaim_stat->recent_rotated[!!file]++; > > + memcg_reclaim_stat->recent_scanned[!!file]++; > > Also, manipulation of the zone based reclaim_stats happens > under the lru lock. > > What protects the memcg reclaim stat?
memcg zone and memcg zone_reclaim_stat also use zone->lru_lock.
| |