tree edcce496faf3d933abe59747b28d721fe992eb09
parent c9add6ec5678a17345c2516ea3d4b26d8703be8b
author Michael S. Tsirkin <mst@mellanox.co.il> 1171995475 +0200
committer Roland Dreier <rolandd@cisco.com> 1172031374 -0800

IPoIB/cm: Improve small message bandwidth

Avoid the overhead of freeing/reallocating and mapping/unmapping for
DMA pages that have not been written to by hardware.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>