1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-um/ptrace-x86_64.h b/include/asm-um/ptrace-x86_64.h
index a927450ce401..bf61d17de3f7 100644
--- a/include/asm-um/ptrace-x86_64.h
+++ b/include/asm-um/ptrace-x86_64.h
@@ -84,4 +84,7 @@ static inline void arch_switch_to_tt(struct task_struct *from,
 extern void arch_switch_to_skas(struct task_struct *from,
                                 struct task_struct *to);
 
+extern long arch_prctl_skas(struct task_struct *task, int code,
+                            unsigned long __user *addr);
+
 #endif