Re: [PATCH v2] hugetlbfs: Disable softIRQ when taking hugetlb_lock

[Davidlohr Bueso]

On Wed, 11 Dec 2019, Davidlohr Bueso wrote:
> Instead, just use a workqueue and do the free_huge_page() in regular
> task context.

Hmm so this is done unconditionally, perhaps we want to do this _only_
under irq just to avoid any workqueue overhead in the common case?


     if (unlikely(in_interrupt()) {
	    workqueue free_huge_page
     } else {
	    normal free_huge_page
     }

Thanks,
Davidlohr