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-rw-r--r--kernel/sysctl.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 7635bb15f5af..622029ba5103 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -64,6 +64,9 @@
#ifdef CONFIG_BSD_PROCESS_ACCT
#include <linux/acct.h>
#endif
+#ifdef CONFIG_RT_MUTEXES
+#include <linux/rtmutex.h>
+#endif
#ifdef CONFIG_CHR_DEV_SG
#include <scsi/sg.h>
#endif
@@ -150,10 +153,6 @@ extern int unaligned_dump_stack;
extern struct ratelimit_state printk_ratelimit_state;
-#ifdef CONFIG_RT_MUTEXES
-extern int max_lock_depth;
-#endif
-
#ifdef CONFIG_PROC_SYSCTL
static int proc_do_cad_pid(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);