Re: [PATCH v3 0/9] mm/hugetlb: Make huge_pte_offset() thread-safe for pmd unshare

From: Mike Kravetz
Date: Fri Dec 09 2022 - 13:59:38 EST


On 12/09/22 12:00, Peter Xu wrote:
> Based on latest mm-unstable (dbccafc6e992).
>
> This can be seen as a follow-up series to Mike's recent hugetlb vma lock
> series for pmd unsharing, but majorly covering safe use of huge_pte_offset.
>
> Changelog for v2->v3:
> - Added a-bs and r-bs
> - In walk_hugetlb_range() hooks, don't release vma lock for cond_resched()

Thanks for your continued work on this Peter!

As a followup to that discussion about releasing vma lock for cond_resched(),
I do not have a strong opinion. Glad you kept my r-b.
--
Mike Kravetz