Article 6N2CC [$] Two talks on multi-size transparent huge page performance

[$] Two talks on multi-size transparent huge page performance

by
corbet
from LWN.net on (#6N2CC)
Using huge pages has been known for years to improve the performance ofmany workloads. But traditional huge pages, often sized by the CPU at 2MB,can be difficult to allocate and can waste memory due to internalfragmentation. Driven by both the folio transition and hardwareimprovements, attention to smaller, multi-size transparent huge pages(mTHPs) has been on the rise. In two memory-management-track sessions atthe 2024 Linux Storage,Filesystem, Memory-Management and BPF Summit, developers discussed thekernel's ability to reliably allocate mTHPs and the performance gains thatresult.
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