[NETFILTER]: nf_conntrack_{tcp,sctp}: shrink state table

The TCP and SCTP conntrack state transition tables only holds
small numbers, but gcc uses 4 byte per entry for the enum. Switching
to an u8 reduces the size from 480 to 120 bytes for TCP and from
576 to 144 bytes for SCTP.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 2 deletions

diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 47c1dbead84..9a5ec53b442 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -110,7 +110,7 @@ cookie echoed to closed.
 */
 
 /* SCTP conntrack state transitions */
-static const enum sctp_conntrack sctp_conntracks[2][9][SCTP_CONNTRACK_MAX] = {
+static const u8 sctp_conntracks[2][9][SCTP_CONNTRACK_MAX] = {
         {
 /*      ORIGINAL        */
 /*                  sNO, sCL, sCW, sCE, sES, sSS, sSR, sSA */
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index be19bd94ddf..dbd8f84fa19 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -149,7 +149,7 @@ enum tcp_bit_set {
  *      if they are invalid
  *      or we do not support the request (simultaneous open)
  */
-static const enum tcp_conntrack tcp_conntracks[2][6][TCP_CONNTRACK_MAX] = {
+static const u8 tcp_conntracks[2][6][TCP_CONNTRACK_MAX] = {
         {
 /* ORIGINAL */
 /*           sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sLI   */