Re: [PATCH v2 00/19] mm: Support huge pfnmaps

[Jason Gunthorpe]

On Tue, Aug 27, 2024 at 05:42:21PM -0700, Jiaqi Yan wrote:

> Instead of removing the whole pud, can driver or memory_failure do
> something similar to non-struct-page-version of split_huge_page? So
> driver doesn't need to re-fault good pages back?

It would be far nicer if we didn't have to poke a hole in a 1G mapping
just for memory failure reporting.

Jason