| Date | Sun, 02 Mar 2008 19:35:44 +0900 | From | KOSAKI Motohiro <> | Subject | Re: [patch 11/21] (NEW) more aggressively use lumpy reclaim |
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Hi
I think this patch is very good improvement. but it is not related to split lru.
Why don't you separate this patch? IMHO treat as independent patch is better.
Thanks.
> During an AIM7 run on a 16GB system, fork started failing around > 32000 threads, despite the system having plenty of free swap and > 15GB of pageable memory. > > If normal pageout does not result in contiguous free pages for > kernel stacks, fall back to lumpy reclaim instead of failing fork > or doing excessive pageout IO. > > I do not know whether this change is needed due to the extreme > stress test or because the inactive list is a smaller fraction > of system memory on huge systems.
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