Re: Found the commit that causes the OOMs

[KOSAKI Motohiro]

> > > The question is: Why kswapd reclaims are absent here?
> > 
> > if direct reclaim isolate all pages, kswapd can't reclaim any pages.
> 
> OOM will occur in that condition. What happened before that time?

maybe yes, maybe no.
At first test, the system still have droppable file cache. if direct reclaim luckly take it,
the benchmark become successful end, I think.

Thanks.

> 
> > I believe Rik's idea solve this problem.
> 
> Me too :)
> 
> Thanks,
> Fengguang
> 



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