1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index c1e0cf408af9..956264d09ba0 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -957,6 +957,11 @@ extern void setup_sysctl_set(struct ctl_table_set *p,
         struct ctl_table_set *parent,
         int (*is_seen)(struct ctl_table_set *));
 
+struct ctl_table_header;
+
+extern void sysctl_head_get(struct ctl_table_header *);
+extern void sysctl_head_put(struct ctl_table_header *);
+extern struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *);
 extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
 extern struct ctl_table_header *__sysctl_head_next(struct nsproxy *namespaces,
                                                 struct ctl_table_header *prev);
@@ -1073,6 +1078,7 @@ struct ctl_table_header
         struct ctl_table *ctl_table;
         struct list_head ctl_entry;
         int used;
+        int count;
         struct completion *unregistering;
         struct ctl_table *ctl_table_arg;
         struct ctl_table_root *root;