Re: [PATCH 4/4] hugetlbfs: replace hugetlb_vma_lock with invalidate_lock

From: Rik van Riel
Date: Tue Oct 17 2023 - 09:48:22 EST


On Mon, 2023-10-16 at 17:52 -0700, Mike Kravetz wrote:
>
> The Combined faults number drops by over 50%.  This is not nearly as
> dramatic
> as the changes originally seen.  However, I do expect that there will
> be
> a noticeable performance regression.  Ray may be able to help running
> real
> workloads on real applications and database.
>
> I suggest we hold off on adding this change until further, more real
> world
> analysis can be performed.  The simplification of the code is nice,
> but I
> would hate to regress any workloads.

Agreed. Thank you for running those tests.

Andrew, would it be possible to drop patch 4/4 from -mm?


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