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-rw-r--r--include/linux/ftrace.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 44020f31bd81..04b52e6ebc66 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -6,6 +6,7 @@
#include <linux/ktime.h>
#include <linux/init.h>
#include <linux/types.h>
+#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/bitops.h>
#include <linux/sched.h>
@@ -86,6 +87,14 @@ static inline void ftrace_stop(void) { }
static inline void ftrace_start(void) { }
#endif /* CONFIG_FUNCTION_TRACER */
+#ifdef CONFIG_STACK_TRACER
+extern int stack_tracer_enabled;
+int
+stack_trace_sysctl(struct ctl_table *table, int write,
+ struct file *file, void __user *buffer, size_t *lenp,
+ loff_t *ppos);
+#endif
+
#ifdef CONFIG_DYNAMIC_FTRACE
/* asm/ftrace.h must be defined for archs supporting dynamic ftrace */
#include <asm/ftrace.h>