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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f54afed8426f..93a2c5398648 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -133,6 +133,10 @@ extern int acct_parm[];
extern int no_unaligned_warning;
#endif
+#ifdef CONFIG_RT_MUTEXES
+extern int max_lock_depth;
+#endif
+
static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t,
ctl_table *, void **);
static int proc_doutsstring(ctl_table *table, int write, struct file *filp,
@@ -688,6 +692,17 @@ static ctl_table kern_table[] = {
.proc_handler = &proc_dointvec,
},
#endif
+#ifdef CONFIG_RT_MUTEXES
+ {
+ .ctl_name = KERN_MAX_LOCK_DEPTH,
+ .procname = "max_lock_depth",
+ .data = &max_lock_depth,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+#endif
+
{ .ctl_name = 0 }
};