ipv4: convert fib_multipath_{use_neigh|hash_policy} sysctls to u8

Make room for better packing of netns_ipv4

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index d309b1b897158c564ac8e07e4ed6826fa6e7c7b7..eb6ca07d3b0f5a3e0e90eee3e3049c0a0cc31d3d 100644 (file)
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -220,8 +220,8 @@ struct netns_ipv4 {
 #endif
 #endif
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
-       int sysctl_fib_multipath_use_neigh;
-       int sysctl_fib_multipath_hash_policy;
+       u8 sysctl_fib_multipath_use_neigh;
+       u8 sysctl_fib_multipath_hash_policy;
 #endif
 
        struct fib_notifier_ops *notifier_ops;

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 1b6ce649a433c6614d9b1ac28d6c6c3daa01a525..ad75d6bb2df7f60afda5c4a4f6524885a8b982c2 100644 (file)
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -456,7 +456,7 @@ static int proc_fib_multipath_hash_policy(struct ctl_table *table, int write,
            ipv4.sysctl_fib_multipath_hash_policy);
        int ret;
 
-       ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+       ret = proc_dou8vec_minmax(table, write, buffer, lenp, ppos);
        if (write && ret == 0)
                call_netevent_notifiers(NETEVENT_IPV4_MPATH_HASH_UPDATE, net);
 
@@ -1038,16 +1038,16 @@ static struct ctl_table ipv4_net_table[] = {
        {
                .procname       = "fib_multipath_use_neigh",
                .data           = &init_net.ipv4.sysctl_fib_multipath_use_neigh,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(u8),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec_minmax,
+               .proc_handler   = proc_dou8vec_minmax,
                .extra1         = SYSCTL_ZERO,
                .extra2         = SYSCTL_ONE,
        },
        {
                .procname       = "fib_multipath_hash_policy",
                .data           = &init_net.ipv4.sysctl_fib_multipath_hash_policy,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(u8),
                .mode           = 0644,
                .proc_handler   = proc_fib_multipath_hash_policy,
                .extra1         = SYSCTL_ZERO,