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SubjectRe: [PATCH] memory_hotplug: cond_resched in __remove_pages
On Wed, 31 Oct 2018 13:58:40 +0100 Michal Hocko <mhocko@kernel.org> wrote:

> From: Michal Hocko <mhocko@suse.com>
>
> We have received a bug report that unbinding a large pmem (>1TB)
> can result in a soft lockup:
>
> ...
>
> It has been reported on an older (4.12) kernel but the current upstream
> code doesn't cond_resched in the hot remove code at all and the given
> range to remove might be really large. Fix the issue by calling cond_resched
> once per memory section.
>

Worthy of a cc:stable, I suggest?

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