Messages in this thread | | | Date | Thu, 14 Dec 2017 12:40:35 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH V3] mm/mprotect: Add a cond_resched() inside change_pmd_range() |
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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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