Re: [PATCH v4 00/13] x86/mm: Add multi-page clearing

[Dave Hansen]

On 6/15/25 22:22, Ankur Arora wrote:
> This series adds multi-page clearing for hugepages, improving on the
> current page-at-a-time approach in two ways:
> 
>  - amortizes the per-page setup cost over a larger extent
>  - when using string instructions, exposes the real region size to the
>    processor. A processor could use that as a hint to optimize based
>    on the full extent size. AMD Zen uarchs, as an example, elide
>    allocation of cachelines for regions larger than L3-size.

Have you happened to do any testing outside of 'perf bench'?