Vramfs: filesystem driver to utilize extra RAM on VGA devices

H. Peter Anvin hpa at zytor.com
Fri Jan 30 05:25:34 UTC 2009

Willy Tarreau wrote:
> Also, MTD allows you to map *part* of the VRAM. On my laptop, I only
> map 56 MB out of the 64 MB of VRAM, which still allows me to use the
> VGA normally. And BTW, I map this VRAM as a fast swap memory.
> In fact, I see little use to the VRAMFS for the average user. Still
> it might have been a nice coding exercice for Jonathan.

Also, the idea of using the DMA engine on the video card rather than
just doing PIO references is an excellent one.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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