1 files changed, 30 insertions, 0 deletions

diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 0dc551501519..5c3ce1c687c9 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -346,4 +346,34 @@ int snmp6_free_dev(struct inet6_dev *idev)
         return 0;
 }
 
+int snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign)
+{
+        if (ptr == NULL)
+                return -EINVAL;
+
+        ptr[0] = __alloc_percpu(mibsize);
+        if (!ptr[0])
+                goto err0;
+
+        ptr[1] = __alloc_percpu(mibsize);
+        if (!ptr[1])
+                goto err1;
+
+        return 0;
+
+err1:
+        free_percpu(ptr[0]);
+        ptr[0] = NULL;
+err0:
+        return -ENOMEM;
+}
+
+void snmp6_mib_free(void *ptr[2])
+{
+        if (ptr == NULL)
+                return;
+        free_percpu(ptr[0]);
+        free_percpu(ptr[1]);
+        ptr[0] = ptr[1] = NULL;
+}