2 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/pid.h b/include/linux/pid.h
index b6f4ba16065a..3c8ef5a199ca 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -66,6 +66,8 @@ struct pid
 
 extern struct pid init_struct_pid;
 
+extern const struct file_operations pidfd_fops;
+
 static inline struct pid *get_pid(struct pid *pid)
 {
         if (pid)
diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
index 22627f80063e..ed4ee170bee2 100644
--- a/include/uapi/linux/sched.h
+++ b/include/uapi/linux/sched.h
@@ -10,6 +10,7 @@
 #define CLONE_FS        0x00000200      /* set if fs info shared between processes */
 #define CLONE_FILES     0x00000400      /* set if open files shared between processes */
 #define CLONE_SIGHAND   0x00000800      /* set if signal handlers and blocked signals shared */
+#define CLONE_PIDFD     0x00001000      /* set if a pidfd should be placed in parent */
 #define CLONE_PTRACE    0x00002000      /* set if we want to let tracing continue on the child too */
 #define CLONE_VFORK     0x00004000      /* set if the parent wants the child to wake it up on mm_release */
 #define CLONE_PARENT    0x00008000      /* set if we want to have the same parent as the cloner */