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Diffstat (limited to 'include/linux/sysctl.h')
-rw-r--r--include/linux/sysctl.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 7bb5cb64f3b8..11684d9e6bd2 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -930,6 +930,7 @@ enum
#ifdef __KERNEL__
#include <linux/list.h>
+#include <linux/rcupdate.h>
/* For the /proc/sys support */
struct ctl_table;
@@ -1037,10 +1038,15 @@ struct ctl_table_root {
struct ctl_table trees. */
struct ctl_table_header
{
- struct ctl_table *ctl_table;
- struct list_head ctl_entry;
- int used;
- int count;
+ union {
+ struct {
+ struct ctl_table *ctl_table;
+ struct list_head ctl_entry;
+ int used;
+ int count;
+ };
+ struct rcu_head rcu;
+ };
struct completion *unregistering;
struct ctl_table *ctl_table_arg;
struct ctl_table_root *root;