ipv6: reduce per device ICMP mib sizes

[pandora-kernel.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f2f9b2e..3cfbbf3 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -289,19 +289,19 @@ static int snmp6_alloc_dev(struct inet6_dev *idev)
                          sizeof(struct ipstats_mib),
                          __alignof__(struct ipstats_mib)) < 0)
                goto err_ip;
-       if (snmp_mib_init((void __percpu **)idev->stats.icmpv6,
-                         sizeof(struct icmpv6_mib),
-                         __alignof__(struct icmpv6_mib)) < 0)
+       idev->stats.icmpv6dev = kzalloc(sizeof(struct icmpv6_mib_device),
+                                       GFP_KERNEL);
+       if (!idev->stats.icmpv6dev)
                goto err_icmp;
-       if (snmp_mib_init((void __percpu **)idev->stats.icmpv6msg,
-                         sizeof(struct icmpv6msg_mib),
-                         __alignof__(struct icmpv6msg_mib)) < 0)
+       idev->stats.icmpv6msgdev = kzalloc(sizeof(struct icmpv6msg_mib_device),
+                                          GFP_KERNEL);
+       if (!idev->stats.icmpv6msgdev)
                goto err_icmpmsg;
 
        return 0;
 
 err_icmpmsg:
-       snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+       kfree(idev->stats.icmpv6dev);
 err_icmp:
        snmp_mib_free((void __percpu **)idev->stats.ipv6);
 err_ip:
@@ -310,8 +310,8 @@ err_ip:
 
 static void snmp6_free_dev(struct inet6_dev *idev)
 {
-       snmp_mib_free((void __percpu **)idev->stats.icmpv6msg);
-       snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+       kfree(idev->stats.icmpv6msgdev);
+       kfree(idev->stats.icmpv6dev);
        snmp_mib_free((void __percpu **)idev->stats.ipv6);
 }
 
@@ -3838,7 +3838,7 @@ static inline size_t inet6_if_nlmsg_size(void)
               + nla_total_size(inet6_ifla6_size()); /* IFLA_PROTINFO */
 }
 
-static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
+static inline void __snmp6_fill_statsdev(u64 *stats, atomic_long_t *mib,
                                      int items, int bytes)
 {
        int i;
@@ -3848,7 +3848,7 @@ static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
        /* Use put_unaligned() because stats may not be aligned for u64. */
        put_unaligned(items, &stats[0]);
        for (i = 1; i < items; i++)
-               put_unaligned(snmp_fold_field(mib, i), &stats[i]);
+               put_unaligned(atomic_long_read(&mib[i]), &stats[i]);
 
        memset(&stats[items], 0, pad);
 }
@@ -3877,7 +3877,7 @@ static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
                                     IPSTATS_MIB_MAX, bytes, offsetof(struct ipstats_mib, syncp));
                break;
        case IFLA_INET6_ICMP6STATS:
-               __snmp6_fill_stats(stats, (void __percpu **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes);
+               __snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, ICMP6_MIB_MAX, bytes);
                break;
        }
 }