Re: SLUB: percpu partial object count is highly inaccurate, causing some memory wastage and maybe also worse tail latencies?

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On Tue, Jan 12, 2021 at 12:12:47AM +0100, Jann Horn wrote:
> [This is not something I intend to work on myself. But since I
> stumbled over this issue, I figured I should at least document/report
> it, in case anyone is willing to pick it up.]

Hi, Jann!

Thank you very much for this report!

It should be less of a problem since 5.9, but still on a machine with
many CPUs a non-trivial amount of memory is wasted.

I'll definitely take a look.

Thanks!




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