1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 000fdb211c7d..f19a82362851 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1112,6 +1112,7 @@ extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks
 
 extern void perf_event_exec(void);
 extern void perf_event_comm(struct task_struct *tsk, bool exec);
+extern void perf_event_namespaces(struct task_struct *tsk);
 extern void perf_event_fork(struct task_struct *tsk);
 
 /* Callchains */
@@ -1315,6 +1316,7 @@ static inline int perf_unregister_guest_info_callbacks
 static inline void perf_event_mmap(struct vm_area_struct *vma)          { }
 static inline void perf_event_exec(void)                                { }
 static inline void perf_event_comm(struct task_struct *tsk, bool exec)  { }
+static inline void perf_event_namespaces(struct task_struct *tsk)       { }
 static inline void perf_event_fork(struct task_struct *tsk)             { }
 static inline void perf_event_init(void)                                { }
 static inline int  perf_swevent_get_recursion_context(void)             { return -1; }