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-rw-r--r--include/linux/sysctl.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 36dec756ef9d..35c50ed36fc9 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -932,6 +932,7 @@ enum
#include <linux/list.h>
#include <linux/rcupdate.h>
#include <linux/wait.h>
+#include <linux/rbtree.h>
/* For the /proc/sys support */
struct ctl_table;
@@ -1023,6 +1024,11 @@ struct ctl_table
void *extra2;
};
+struct ctl_node {
+ struct rb_node node;
+ struct ctl_table_header *header;
+};
+
/* struct ctl_table_header is used to maintain dynamic lists of
struct ctl_table trees. */
struct ctl_table_header
@@ -1030,7 +1036,6 @@ struct ctl_table_header
union {
struct {
struct ctl_table *ctl_table;
- struct list_head ctl_entry;
int used;
int count;
int nreg;
@@ -1042,12 +1047,13 @@ struct ctl_table_header
struct ctl_table_root *root;
struct ctl_table_set *set;
struct ctl_dir *parent;
+ struct ctl_node *node;
};
struct ctl_dir {
/* Header must be at the start of ctl_dir */
struct ctl_table_header header;
- struct list_head list;
+ struct rb_root root;
};
struct ctl_table_set {