[PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework

Clemens Ladisch
2010-08-30T08:27:50Z

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