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SubjectRe: [PATCH] use for_each_cpu
Anton Blanchard <anton@samba.org> wrote:
>
> The per cpu schedule counters need to be summed up over all possible cpus.
> When testing hotplug cpu remove I saw the sum of the online cpu count
> for nr_uninterruptible go negative which made the load average go nuts.

I think the preferred approach here is to transfer the count over to the
current CPU in the CPU_DEAD handler.
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