mini64(3.16): tun: m->y; sit=y->m; increase log buffer size

mini64.conf-3.16.7-ckt20

@@ -130,7 +130,7 @@ CONFIG_RCU_FANOUT_LEAF=16
 # CONFIG_RCU_NOCB_CPU is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=17
+CONFIG_LOG_BUF_SHIFT=20
 CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
 CONFIG_ARCH_SUPPORTS_INT128=y
@@ -578,7 +578,7 @@ CONFIG_IP_ROUTE_VERBOSE=y
 # CONFIG_IP_PNP is not set
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE_DEMUX is not set
-CONFIG_NET_IP_TUNNEL=y
+CONFIG_NET_IP_TUNNEL=m
 CONFIG_IP_MROUTE=y
 CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
 CONFIG_IP_PIMSM_V1=y
@@ -588,7 +588,7 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_XFRM_TUNNEL is not set
-CONFIG_INET_TUNNEL=y
+CONFIG_INET_TUNNEL=m
 # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET_XFRM_MODE_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_BEET is not set
@@ -615,7 +615,7 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y
 CONFIG_INET6_XFRM_MODE_BEET=y
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 # CONFIG_IPV6_VTI is not set
-CONFIG_IPV6_SIT=y
+CONFIG_IPV6_SIT=m
 CONFIG_IPV6_SIT_6RD=y
 CONFIG_IPV6_NDISC_NODETYPE=y
 # CONFIG_IPV6_TUNNEL is not set
@@ -929,7 +929,7 @@ CONFIG_MACVTAP=m
 CONFIG_NETCONSOLE=m
 CONFIG_NETPOLL=y
 CONFIG_NET_POLL_CONTROLLER=y
-CONFIG_TUN=m
+CONFIG_TUN=y
 CONFIG_VETH=m
 # CONFIG_NLMON is not set
 # CONFIG_ARCNET is not set