Is there a conceptual description of Jetson Nano memory management, including driver/kernel, DMA memory, user space, CUDA memory access, zero-copy etc.? Would like a good overview of where memory is stored, who allocates/deallocates, who has access under what conditions, constraints for zero-copy a…

Overview of memory - driver, kernel, DMA, userspace, CUDA, zero-copy

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano

user108834 January 29, 2022, 1:10am 7

For a partial answer to my original question re the overview of V4L2 memory architecture/concepts, the link below from the Unix Kernel folks may be a useful starting point. This is generic V4L2 without NVIDIA refinements.

https://docs.kernel.org/userspace-api/media/v4l/io.html

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Overview of memory - driver, kernel, DMA, userspace, CUDA, zero-copy

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