[PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework
Clemens Ladisch
clemens at ladisch.de
Mon Aug 30 04:27:50 EDT 2010
Andrew Morton wrote:
> It would help (a lot) if we could get more attention and buyin and
> fedback from the potential clients of this code. rmk's feedback is
> valuable. Have we heard from the linux-media people? What other
> subsystems might use it? ieee1394 perhaps?
All FireWire controllers are OHCI and use scatter-gather lists.
Most USB controllers require continuous memory for USB packets; the USB
framework has its own DMA buffer cache.
Some sound cards have no IOMMU; the ALSA framework preallocates buffers
for those.
Regards,
Clemens
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