Re: [PATCH] mm/hugetlb: Warn the user when issues arise on boot due to hugepages

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On Mon 12-06-17 21:35:17, Liam R. Howlett wrote:
[...]
> Understood.  Again, I appreciate all the time you have taken on my
> patch and explaining your points.  I will look at this again as you
> have suggested.

One way to go forward might be to check the size of the per node pool
and warn if it grows over a certain threshold of the available memory
on that node. I do not have a good idea what would be that threshold,
though. It will certainly depend on workloads. I can also imagine that
somebody might want to dedicate the full numa node for hugetlb pages
and still be OK so take this suggestion with some reserve. It is hard
to protect against misconfigurations in general but maybe you will find
some way here.
-- 
Michal Hocko
SUSE Labs

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