Re: [RFC PATCH 08/10] mm: hugetlb: disable CMA if liveupdate is enabled

From: Pasha Tatashin

Date: Tue Dec 23 2025 - 13:17:35 EST


On Sat, Dec 6, 2025 at 6:03 PM Pratyush Yadav <pratyush@xxxxxxxxxx> wrote:
>
> Hugetlb live update support does not yet work with CMA. Print a warning
> and disable CMA if the config for live updating hugetlb is enabled, and
> liveupdate is enabled at runtime.

Could you please elaborate this commit to explain why it is not
supported, and what it would take to support CMA.

Thanks,
Pasha