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ByteDance SYS Tech
ByteDance SYS Tech
Jan 13, 2023 · Fundamentals

How HVO Cuts HugeTLB Memory Overhead by Up to 99% in Linux Kernels

This article, based on ByteDance STE’s 2022 Linux Kernel Developer Conference talk, explains the HVO (HugeTLB vmemmap Optimization) feature that dramatically reduces struct page memory for huge pages, details its latest enhancements, cross‑architecture support, usage steps, performance trade‑offs, and future plans.

ARM64HVOHugeTLB
0 likes · 13 min read
How HVO Cuts HugeTLB Memory Overhead by Up to 99% in Linux Kernels