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2008 Dec 20
1
Some ideas on how to mix userspace fifo's with a kernel memory manager
I was thinking of the following system:
Allocate a fifo for userspace, map the fifo, map the fifo registers into
userspace.
These allocations are therefore pinned, so something to avoid memory
fragmentation has to be done.
Userspace library fills up an entire fifo, minus a few essential things
i will mention later. Userspace does ioctl with all the bo's it'll need
for the fifo.