Non-existent shared VRAM on NVIDIA Linux drivers

The NVIDIA Linux driver doesn’t handle the VRAM sharing with the system RAM. What I’m exactly referring to is this: Windows 10 Task Manager in GPU section As can be seen, there is the “Dedicated GPU memory” and the “Shared GPU memory” that is actual system RAM but shared with the GPU, so in case the GPU runs out of VRAM, the system or game doesn’t simply crash or have a drop in FPS. So what is the problem then? The problem is that the “Shared GPU memory” doesn’t exist on the NVIDIA Linux dri...