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

David Hildenbrand
2024-01-31T13:00:01Z

>>
>> I'm also surprised about the dontneed vs. munmap numbers.
>
> You mean the ones for Altra that I posted? (I didn't post any for M2). The altra
> numbers look ok to me; dontneed has no change, and munmap has no change for
> order-0 and is massively improved for order-9.

I would expect that dontneed would similarly benefit -- same code path.
But I focused on munmap measurements for now, I'll try finding time to
confirm that it's the same on Intel.

--
Cheers,

David / dhildenb