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re: USB contigmalloc()
> On Fri, Dec 02, 2011 at 01:51:42AM +0900, Izumi Tsutsui wrote:
> > Anyway, currently our udl(4) doesn't require such allocation,
> It's also a problem for radeondrm (no USB involved).
freebsd implemented a different fix for this, which i think involved
using the VM system directly and supporting SG properly, but i never
got around to looking at the code directly.
i keep considering adding a hack to radeondrm to not free the dma
ram on last close() so that restarts work (but starting for the
first time later may fail) but if someone wants to fix it properly
befire i do that, i'd not complain.
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