Do you need physically linear memory >
> Per a thread on glx-dev, Andi Kleen mentions that the new 2.3.x MM stuff
> still doesn't allieviate the need for bigphysarea and similar patches.
It helps, however the best answer is to use sane hardware which has scatter
gather - eg the bttv frame grabbers grab 1Mb of memory or more, but they
grab it as arbitary pages not a linear block.
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