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jetson-optimize-memory

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Reclaim DRAM by disabling unused subsystems across MB1 BCT, MB2 BCT, kernel reserved-memory, and SWIOTLB. Use for headless or no-camera Jetson deployments; not for CPU/GPU frequency tuning.

skills/jetson-optimize-memory/SKILL.md

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Nov 9, 2026

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Nov 6, 2026
License
Apache-2.0

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# jetson-optimize-memory

Memory is reserved across four layers ordered by boot chronology
(higher row = earlier in boot, closer to hardware):

| Layer | Content | Key files |
|---|---|---|
| MB1 BCT | firmware carveouts | per-module misc DTS |
| MB2 BCT | firmware loading + AST controls | per-module misc DTS |
| Kernel DTS | reserved-memory and driver binding | per-module DTS |
| SWIOTLB | DMA bounce pool size | `<module>.conf.common` (`CMDLINE_ADD`) |

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