Re: [PATCH v3 00/15] mm/memory: optimize fork() with PTE-mapped THP

David Hildenbrand
2024-01-31T15:11:27Z

>> dontneed should hopefully/likely see a speedup.
>
> Yes, but that's almost exactly the same path as munmap, so I'm sure it really
> adds much for this particular series.

Right, that's why I'm not including these measurements. dontneed vs.
munmap is more about measuring the overhead of VMA modifications + page
table reclaim.

> Anyway, on Altra at least, I'm seeing no
> regressions, so:
>
> Tested-by: Ryan Roberts <ryan.roberts@arm.com>
>

Thanks!

--
Cheers,

David / dhildenb