Deepin Linux

May 26, 2025 · Fundamentals

Understanding Linux Memory Management: Bootmem, Memblock, Buddy Allocator, and Slab Allocator

This article provides a comprehensive overview of Linux memory management, detailing the roles and mechanisms of the early boot memory allocator, the memblock subsystem, the buddy allocator for physical pages, and the slab allocator for small objects, including their data structures, algorithms, and practical usage scenarios.