net: cleanup unused macros in net directory

Clean up some unused macros in net/*.
1. be left for code change. e.g. PGV_FROM_VMALLOC, PGV_FROM_VMALLOC, KMEM_SAFETYZONE.
2. never be used since introduced to kernel.
   e.g. P9_RDMA_MAX_SGE, UTIL_CTRL_PKT_SIZE.

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/caif/cfutill.c b/net/caif/cfutill.c
index efad410e4c82..315c0d601368 100644
--- a/net/caif/cfutill.c
+++ b/net/caif/cfutill.c
@@ -20,7 +20,7 @@
 #define UTIL_REMOTE_SHUTDOWN 0x82
 #define UTIL_FLOW_OFF 0x81
 #define UTIL_FLOW_ON  0x80
-#define UTIL_CTRL_PKT_SIZE 1
+
 static int cfutill_receive(struct cflayer *layr, struct cfpkt *pkt);
 static int cfutill_transmit(struct cflayer *layr, struct cfpkt *pkt);