Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion

Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion

Allocate ring buffer memory from the NUMA node assigned to the channel.
Since this is a performance and not a correctness issue, if the node specific
allocation were to fail, fall back and allocate without specifying the node.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 294409d20572e9bcf857328286433f851168d54a)

Orabug: 21886720
Signed-off-by: Jason Luo <zhangqing.luo@oracle.com>