(Source)

Linux Memory Management References

Table of Contents

• Table of Contents

Overview

• Overview

The Virtual Address Space

• Address Space Layout
• Kernel Space

Physical Address Space

• Physical Address Space
• Pages
• Zones

Allocation in Kernel

• The Page Allocator
• The Slab Allocator
• kmalloc()
• vmalloc()

Paging (Hardware)

• x86_64
• arm64
• riscv

Virtual Memory in the Userspace

• vm_area_struct
• Page Tables
• Page Fault
• Page Replacement

Appendix: the slab allocators

• Slab Allocator Overview
• SLUB
• SLAB (Removed since 6.8)
• SLOB (Removed since 6.4)

Staging Area

• folios