Re: [PATCH RFC 06/12] mm/gup: Drop folio_fast_pin_allowed() in hugepd processing

Christoph Hellwig
2023-11-23T07:22:20Z

On Wed, Nov 22, 2023 at 10:22:11AM -0500, Peter Xu wrote:
> The other reason I feel like hugepd may or may not be further developed for
> new features like large folio is that I saw Power9 started to shift to
> radix pgtables, and afaics hugepd is only supported in hash tables
> (hugepd_ok()). But again, I confess I know nothing about Power at all.

That alone sounds like a good reason to not bother. So unless more
qualified people have a different opinion I'm fine with this patch
as long as you leave a comment in place, and ammend the commit message
with some of the very useful information from your mail.