Re: [Nbd] Bounce limit question

[Paul Clements <paul.clements@...124...>]

李微 wrote:
> NBD adopts the default bounce limit, which is BLK_BOUNCE_HIGH, in the
> 2.6.23 kernel. Is this due to the DMA limit of NICs? Then why are kmaps
> necessary?

I think the bouncing could be turned off and everything would still 
work, since we're doing kmap around every network send/receive. Have you 
tried that, or could you?

Thanks,
Paul