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SubjectRe: Still OOM problems with 4.9er/4.10er kernels
On Thu 16-03-17 01:47:33, lkml@pengaru.com wrote:
[...]
> While on the topic of understanding allocation stalls, Philip Freeman recently
> mailed linux-kernel with a similar report, and in his case there are plenty of
> page cache pages. It was also a GFP_HIGHUSER_MOVABLE 0-order allocation.

care to point me to the report?

> I'm no MM expert, but it appears a bit broken for such a low-order allocation
> to stall on the order of 10 seconds when there's plenty of reclaimable pages,
> in addition to mostly unused and abundant swap space on SSD.

yes this might indeed signal a problem.
--
Michal Hocko
SUSE Labs

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