Cache whether we will use DMA API, instead of doing the check every time. We are going to check whether DMA API is used more often in packed ring. Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Cache whether we will use DMA API, instead of doing the check every time. We are going to check whether DMA API is used more often in packed ring. Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>