Deepin Linux
Jun 10, 2025 · Fundamentals
How Linux Memory Reclamation Works: Zones, Swap, and Compression Explained
This article explains Linux's memory reclamation mechanisms, covering the role of memory as the system's bloodstream, the three reclamation paths (fast, direct, kswapd), zone watermarks, page cache structures, reverse mapping, and how swap and compression are used to keep the system stable under memory pressure.
LinuxMemory ManagementMemory Reclamation
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