Virtual Memory 2: page table tricks
Intro / Flashback (06:24)
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x86-32 page table entry vs addresses (ORing the flag bits) (00:49)
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xv6: Constructing Page tables (00:46)
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xv6: Using the page table macros (02:57)
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xv6: Page table utility functions (00:21)
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kalloc/free (00:29)
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walkpgdir and mappages (00:52)
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accockvm, allocuvm, deallocuvm (02:54)
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xv6: Finding page table entries (walkpgdir) (08:45)
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setting process page tables (break this up) (13:43)
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xv6: Page faults (08:09)
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Allocation on demand really (01:18)
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xv6: Adding space on demand, vs real OSes (00:47)
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Fast copies (copy-on-write) (06:22)
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exercise (97:52:41)
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