Operating systems notes
Paging & the MMU
How a virtual address becomes a physical one, page tables, the walk, and the cache that makes it fast. Every section is a drawn page beside a clear written explanation, about 19 minutes in all.
- Chapter 22 of 37
- About 19 minutes
- 9 sections
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In this chapter
- The idea of paging
- Pages, frames & the page table
- Splitting a virtual address
- What lives in a page-table entry
- The translation, step by step
- The problem: page tables are huge
- Multi-level page tables
- The TLB: a cache for translations
- Inverted page tables & why engineers care
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