How Linux Kernel Manages Dynamic Memory and Process Address Space

This article explains how the Linux kernel allocates dynamic memory, distinguishes kernel and user‑space allocation strategies, describes the mm_struct layout of a process address space, and shows how pages and page tables translate virtual addresses to physical memory.

LinuxMemory ManagementVirtual Memory

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How Linux Kernel Manages Dynamic Memory and Process Address Space

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