Re: [PATCH RFC v3 01/19] mm: thread user_addr through page allocator for cache-friendly zeroing

Michael S. Tsirkin
2026-04-23T14:46:44Z

On Thu, Apr 23, 2026 at 04:13:50PM +0200, David Hildenbrand (Arm) wrote:
> But really, that hugetlb code is rather messy. I'd vote for leaving hugetlb
> alone on a v1, and focusing on non-hugetlb first.

I just dislike it when things are non orthogonal.
People are used to: hugetlb = same perf as THP but more predictable at the cost
of being harder to use and using more resources.
Here, suddenly, we have an optimization but only for THP.

But sure, we can merge a part of it first.

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MST