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

David Hildenbrand david at redhat.com
Wed Jan 31 07:11:21 PST 2024


>> 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 at arm.com>
> 

Thanks!

-- 
Cheers,

David / dhildenb




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