[ofa-general] [PATCH 2.6.30 1/2] RDMA/cxgb3: sgl/pbl offset calculation is 64b.

[Roland Dreier]

 > The variable 'offset' in iwch_sgl2pbl_map() needs to be a u64.

I assume this fixes an overflow.  What's the impact of this overflow,
and when does it trigger?  ie is this urgent enough for 2.6.29 maybe?

 - R.