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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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