[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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