Re: PATCH: Raw device IO for 2.1.131

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 13 Dec 1998 19:41:04 +0000 (GMT)

> - we do a copyfd(smallfile,framebuffer), in which copyfd()
> instructs the capture-buffer DMA being done to the page-cache.
> (this happens inside the kernel, the driver doesnt even notice
> much from this)

Well we can't do that yet because I can't just grab and pin 2Mb of page
cache pages, at least we don't have nice clean API's for it and to clean
up the cache afterwards.

Ok conceptually I agree. Your argument works

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