[ofa-general] Re: [PATCH v2] IB/ipoib: use vmap with allocation of tx ring
Roland Dreier
rdreier at cisco.com
Mon Feb 18 14:08:42 PST 2008
> So what's your suggestion? maybe we go with vmalloc on 64-bit systems
> and on 32-bits system limit the user to what kmalloc can provide
> (which is about ~850 size rings with the tx_buf consuming 8*18 u64's +
> pointer.
No, I don't think we need to worry about using up vmalloc() space
really. I don't think anyone is going to consume more than a few MB
of ring buffers with IPoIB, and if they do then it's almost certainly
going to be on a 64-bit system.
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