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.

	-hpa

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




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