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Tencent Database Technology
Tencent Database Technology
Mar 29, 2022 · Fundamentals

Understanding Memory Management: From OS to MySQL

This article explores memory management concepts from both operating system and MySQL perspectives, covering virtual vs physical memory, process memory usage analysis using tools like top and /proc, and experimental verification of memory allocation behaviors.

MySQLOperating SystemsPerformance Optimization
0 likes · 9 min read
Understanding Memory Management: From OS to MySQL
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Jun 12, 2020 · Fundamentals

Linux Kernel Virtual Memory Management: Process Virtual Address Space and Allocation

The article explains Linux kernel virtual memory management on 64‑bit ARM64 Android systems, detailing user‑ and kernel‑space address layout, physical vs. linear addresses, allocation mechanisms such as brk and mmap, common allocators, key structures like mm_struct and vm_area_struct, and the functions that control mmap layout and unmapped‑area selection.

ARM64ASLRKernel Internals
0 likes · 20 min read
Linux Kernel Virtual Memory Management: Process Virtual Address Space and Allocation