[PATCH v1 05/11] mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack()

David Hildenbrand david at redhat.com
Mon Apr 28 20:21:35 UTC 2025


On 28.04.25 22:00, Suren Baghdasaryan wrote:
> On Mon, Apr 28, 2025 at 12:47 PM Lorenzo Stoakes
> <lorenzo.stoakes at oracle.com> wrote:
>>
>> +cc Suren, who has worked HEAVILY on VMA field manipulation and such :)
>>
>> Suren - David is proposing adding a new field. AFAICT this does not add a
>> new cache line so I think we're all good.
>>
>> But FYI!
> 
> Thanks! Yes, there should be some space in the last cacheline after my
> last field reshuffling.

That explains why -- that last time I looked at this -- there was no 
easy space available. Thanks for that!

-- 
Cheers,

David / dhildenb



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