Dec 15, 2025
46 mins

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Episode Description


Page tables provide the mapping between virtual memory and physical memory for each process. This means it needs to be as efficient and as fast as possible. I explore the inner workings of page tables in this episode.


  • 0:00 Intro
  • 2:00 Virtual Memory

⁃ ⁃ 8:00 MMU

  • 10:00 Page Tables

⁃ ⁃ ⁃ ⁃ ⁃ ⁃ ⁃ 11:30 Single Table Byte Addressability  

⁃ ⁃ ⁃ ⁃ ⁃ ⁃ ⁃ ⁃ 16:00 Single Table Page addressability 

⁃ ⁃ ⁃ ⁃ ⁃ 19:00 Multi-level Paging (Radix tree)

⁃ ⁃ 31:00 Huge Tables

⁃ ⁃ 33:00 TLB

⁃ ⁃ Summary


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