Re: [PATCH 17/18] mm, hugetlb: retry if we fail to allocate ahugepage with use_reserve

[Joonsoo Kim]

> I once attempted an approach involving an atomic counter of the number
> of "in flight" hugepages, only retrying when it's non zero.  Working
> out a safe ordering for all the updates to get all the cases right
> made my brain melt though, and I never got it working.

I sent v2 few seconds before. My new approach is similar as yours.
Could you review my patches to save my brain to be melted? :)

Thanks.

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