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by tliltocatl
498 days ago
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Page-grained mappings UML does make for tons of overhead. AFAIR Linux even considered a specialized reverse page mapping structure just to accelerate those, but ultimately dropped it because of memory overhead and code complexity. Realistically, the overhead isn't ever going to be lower than hardware virtualization unless one goes for an API proxy a-la wine and WSL1 - but that's tons of work. |
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