Messages in this thread | | | Date | Wed, 11 Dec 2019 22:30:50 -0800 | From | Davidlohr Bueso <> | Subject | Re: [PATCH v2] hugetlbfs: Disable softIRQ when taking hugetlb_lock |
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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
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