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SubjectRe: [PATCH V3] mm/mprotect: Add a cond_resched() inside change_pmd_range()
On Thu, 14 Dec 2017 19:35:51 +0530 Anshuman Khandual <khandual@linux.vnet.ibm.com> wrote:

> While testing on a large CPU system, detected the following RCU
> stall many times over the span of the workload. This problem
> is solved by adding a cond_resched() in the change_pmd_range()
> function.
>
> [ 850.962530] INFO: rcu_sched detected stalls on CPUs/tasks:

That's a bit rude. I think I'll add a cc:stable to this one.

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