theupriser/steamify-cachyos
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feat: VRAM booster only for GPUs with at least 2 GB of their own VRAM

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theupriser committed 2026-09-27 12:55:40 +02:00
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TECHNICAL.md
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@@ -244,7 +244,8 @@ most of the VRAM (8 GB on the Steam Machine) can be pushed into system RAM
by the desktop and other apps, and stutter. The kernel side is the `dmem`
cgroup controller (7.2); amdgpu and Intel's xe register their VRAM with it,
NVIDIA's driver doesn't. The **VRAM booster** option is only shown when
`/sys/fs/cgroup/dmem.capacity` lists a region (or it's already on), and is
`/sys/fs/cgroup/dmem.capacity` lists a VRAM region of at least 2 GB (a
dedicated GPU; an integrated one registers a small carve-out) or it's already on, and is
ticked by default; new in 2.3.0, so setups with the SteamOS conversion on
get it ticked. CachyOS packages the userspace side, which it installs: