Tagged articles

Anonymous Pages

2 articles · Page 1 of 1

Apr 5, 2025 · Fundamentals

Understanding Linux Kernel Reverse Mapping (RMAP): Concepts, Data Structures, and Implementation

This article explains the Linux kernel reverse‑mapping (RMAP) mechanism, covering its historical background, core concepts, key data structures such as anon_vma and anon_vma_chain, and the detailed workflow for page creation, fork handling, and page reclaim or migration, with full code examples.

Anonymous PagesRMAPVirtual Memory

0 likes · 27 min read

Understanding Linux Kernel Reverse Mapping (RMAP): Concepts, Data Structures, and Implementation

Deepin Linux

Jun 4, 2024 · Fundamentals

Reverse Mapping (RMAP) Mechanism in the Linux Kernel: Concepts, Data Structures, and Implementation

The article explains Linux kernel reverse‑mapping (RMAP), describing its purpose for efficient page‑reclaim, the underlying data structures such as vm_area_struct, anon_vma and anon_vma_chain, and shows how anonymous and file pages are tracked and unmapped through detailed code examples.

Anonymous PagesLinuxRMAP

0 likes · 16 min read

Reverse Mapping (RMAP) Mechanism in the Linux Kernel: Concepts, Data Structures, and Implementation