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I made my laptop use its idle NVIDIA VRAM as swap (ublk + CUDA, no kernel module)

My 16 GB laptop (RTX 3050 6 GB, the Intel GPU drives the screen) slowed to a crawl whenever RAM hit about 90%, because swap lived on a DRAM-less NVMe drive. The NVIDIA card's memory sat idle the whole time. USM makes that VRAM the first swap device: \- a user-space daemon borrows VRAM through the C…

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  1. 2026-11-06 07:26 · r/OpenAI
    I made my laptop use its idle NVIDIA VRAM as swap (ublk + CUDA, no kernel module)

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