Re: [PATCH] hugetlb: select PREEMPT_COUNT if HUGETLB_PAGE for in_atomic use

[Peter Zijlstra]

On Wed, Mar 10, 2021 at 06:13:21PM -0800, Mike Kravetz wrote:
> from irq context.  Changing the check in the code from !in_task to
> in_atomic would handle the situations when called with irqs disabled.

It does not. local_irq_disable() does not change preempt_count().