Re: [PATCH v6 1/5] mm/zone_device: Reinitialize large zone device private folios

Vlastimil Babka
2026-01-23T06:45:14Z

On 1/22/26 22:41, Andrew Morton wrote:
> On Thu, 22 Jan 2026 20:10:44 +1100 Balbir Singh <balbirs@nvidia.com> wrote:
>
>> >> - Intel has demonstrated that this works and is still getting blocked.
>> >>
>> >> - This entire thread is about a fixes patch for large device pages.
>> >> Changing prep_compound_page is completely out of scope for a fixes
>> >> patch, and honestly so is most of the rest of what’s being proposed.
>> >
>> > FWIW I'm ok if this lands as a fix patch, and perceived the discussion to be
>> > about how refactor things more properly afterwards, going forward.
>> >
>>
>> I've said the same thing and I concur, we can use the patch as-is and
>> change this to set the relevant identified fields after 6.19
>
> So the plan is to add this patch to 6.19-rc and take another look at
> patches [2-5] during next -rc cycle?
>
> I think the plan is to take Matthew's work via the DRM tree? But if people
> want me to patchbunny this fix then please lmk.
>
> I presently have
>
> Signed-off-by: Matthew Brost <matthew.brost@intel.com>
> Signed-off-by: Francois Dugast <francois.dugast@intel.com>
> Acked-by: Felix Kuehling <felix.kuehling@amd.com>
> Reviewed-by: Balbir Singh <balbirs@nvidia.com>
>
> If people wish to add to this then please do so.

I did too.

Acked-by: Vlastimil Babka <vbabka@suse.cz>

> I'll restore this patch into mm.git's hotfix branch (and hence
> linux-next) because testing.