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dma_skb_copy_datagram_iovec not EXPORTed

Greetings,

I am a developer of the kernel AoE (ATA over Ethernet) driver.  I am
attempting to add dma offloading of data receive, following in TCP's
footsteps via config option NET_DMA.  There is a function in
net/core/user_dma.c, dma_skb_copy_datagram_iovec, that appears to be
exactly what I need, but this function is not EXPORTed for use by
external modules.

Does anyone know why?  Since the NET_DMA option is documented as
"Network: TCP receive copy offload" perhaps it's just an oversight
that anyone else might benefit from it?

Cheers,

Sam

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