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Tencent Technical Engineering
Tencent Technical Engineering
Apr 12, 2026 · Operations

How TencentOS Engineers Revamped Linux Swap for 5‑20% Performance Gains

This article translates and consolidates three LWN analyses of the Linux swap subsystem modernization led by TencentOS kernel engineer Kairui Song, detailing the introduction of swap tables, removal of the swap map, virtual swap concepts, code changes, performance improvements of up to 20 % and the broader impact on the kernel community.

Linux kernelPerformance optimizationmemory management
0 likes · 27 min read
How TencentOS Engineers Revamped Linux Swap for 5‑20% Performance Gains
Tencent Architect
Tencent Architect
Apr 2, 2026 · Operations

How Modernizing Linux Swap Boosts Performance and Cuts Memory Overhead

This article translates and consolidates Jonathan Corbet’s three-part “Modernizing swapping” series, detailing the introduction of swap tables, removal of swap maps, and virtual swap concepts that together improve Linux kernel swap performance by up to 20%, reduce metadata memory by up to 30%, and simplify the codebase.

Linux kernelPerformance optimizationswap map
0 likes · 27 min read
How Modernizing Linux Swap Boosts Performance and Cuts Memory Overhead