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This book takes you on a systematic journey through every layer of Linux memory management. You will learn how virtual memory works from silicon up to application code, how the kernel allocates and reclaims physical pages, how allocators optimize for speed and fragmentation, how NUMA systems distribute memory across nodes, how containers isolate resources with cgroups, and how to profile, debug, and harden memory behavior in production. Every concept is explained with clear reasoning, concrete examples from real kernel source code, and hands-on exercises you can run on your own system. The target audience is systems programmers, kernel developers, performance engineers, and advanced software practitioners who need deep understanding of how Linux manages memory.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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