net: Add SKB DMA mapping helper functions.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/core/Makefile b/net/core/Makefile
index b1332f6d004..26a37cb3192 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -6,6 +6,7 @@ obj-y := sock.o request_sock.o skbuff.o iovec.o datagram.o stream.o scm.o \
          gen_stats.o gen_estimator.o net_namespace.o
 
 obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
+obj-$(CONFIG_HAS_DMA) += skb_dma_map.o
 
 obj-y                += dev.o ethtool.o dev_mcast.o dst.o netevent.o \
                         neighbour.o rtnetlink.o utils.o link_watch.o filter.o