[PATCH v2 19/37] mm/gup: remove record_subpages()

[John Hubbard]

On 9/8/25 5:53 AM, David Hildenbrand wrote:
> On 08.09.25 14:25, Lorenzo Stoakes wrote:
>> On Sat, Sep 06, 2025 at 08:56:48AM +0200, David Hildenbrand wrote:
>>> On 06.09.25 03:05, John Hubbard wrote:
...
>>> Roughly, what I am thinking (limiting it to pte+pmd case) about is 
>>> the following:
>>
>> I cannot get the below to apply even with the original patch here 
>> applied + fix.
>>
>> It looks like (in mm-new :) commit e73f43a66d5f ("mm/gup: remove dead 
>> pgmap
>> refcounting code") by Alastair has conflicted here, but even then I 
>> can't make
>> it apply, with/without your fix...!

I eventually resorted to telling the local AI to read the diffs and
apply them on top of the nth_page series locally. :) Attaching the
resulting patch, which worked well enough to at least see the proposal
clearly.

> 
> To be clear: it was never intended to be applied, because it wouldn't 
> even compile in the current form.
> 
> It was based on this nth_page submission + fix.
> 
> thanks,
-- 
John Hubbard
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