How about something like (with rather arbitrary values)
#define PRIVCMD_DMOP_MAX_NUM_BUFFERS 16
#define PRIVCMD_DMOP_MAX_TOT_BUFFER_SZ 4096
and make them part of the interface (i.e. put them into privcmd.h)?
Given that the values are arbitrary, I think it may be better to make them
module params. They can then at least be tweaked if privcmd becomes a problem
with later dm_ops.
Making them adjustable is a good thing but we still need default values.
-boris
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