Re: [Invitation] bi-weekly guest_memfd upstream call on 2025-12-04

["David Hildenbrand (Red Hat)" <david@kernel.org>]

On 1/7/26 21:42, dan.j.williams@intel.com wrote:
> David Hildenbrand (Red Hat) wrote:
> [..]
>> This might be the last meeting this year: I will be traveling for LPC on
>> December 11 and December 18. Then, Christmas is already around the
>> corner and we'll skip the one on December 25. So we'll probably have our
>> next meeting then on January 8.
> 
> Hi David,

Hi Dan!

> 
> Great seeing you at LPC! 

Absolutely :)

> Can I grab some time on the agenda to
> brainstorm the next level of detail on the topic I briefly ran by you in
> the hallway track? I.e. is there a path to decouple dependencies and
> land some of the low level huge page support upstream while the
> guest_memfd reworks for in place conversion and hugetlbfs backing
> continue to mature?

Yes, Ackerley already added that to the meeting agenda :)

> 
> As you said this at a minimum needs to be crippled / not production
> worthy to maintain focus and momentum on the guest_memfd rework
> completion. The observation that shifted my thinking is that, given the
> timelines and remaining work, there are solid steps that the low level
> implementations can be landing and maturing in advance of that
> integration. All net progress for upstream.

Right, I think we're good as long as we don't start splitting folios on 
partial truncation. That is: only allow truncation in THP granularity.

I might not be around tomorrow and Ackerley will likely lead the 
meeting. I'll send out a reminder mail now that I realize I haven't ...

-- 
Cheers

David