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fix: paging address space calculation #98

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Merged
DeanoBurrito merged 1 commit into from
Sep 9, 2024
Merged

fix: paging address space calculation #98

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4 changes: 2 additions & 2 deletions 04_Memory_Management/03_Paging.md
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Expand Up @@ -226,7 +226,7 @@ If we are using 2MB pages this is how the address will be handled by the paging
* Bits 29 ... 21 are the PD entry.
* Offset in the page directory.

Every table has 512 elements, so we have an address space of $2^{512}*2^{512}*2^{512}*0x200000$ (that is the page size)
Every table has 512 elements, so we have an address space of $512*512*512*0x200000$ (that is the page size)

### Address translation Using 4KB Pages

Expand All @@ -246,7 +246,7 @@ If we are using 4kB pages this is how the address will be handled by the paging
* Offset in the page table.

Same as above:
Every table has 512 elements, so we have an address space of: $2^{512}*2^{512}*2^{512}*2^{512}*0x1000$ (that is the page size)
Every table has 512 elements, so we have an address space of: $512*512*512*512*0x1000$ (that is the page size)

## Page Fault

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1 change: 1 addition & 0 deletions 99_Appendices/I_Acknowledgments.md
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Expand Up @@ -20,3 +20,4 @@ In no particular order:
- @AnErrupTion ([https://github.com/AnErrupTion](https://github.com/AnErrupTion))
- @MRRcode979 ([https://github.com/MRRcode979](https://github.com/MRRcode979))
- @Hqnnqh ([https://github.com/Hqnnqh](https://github.com/Hqnnqh))
- @malletgaetan ([https://github.com/malletgaetan](https://github.com/malletgaetan))