proc: move hidepid values to uapi as they are user interface to mount

@@ -7,6 +7,7 @@
 
 #include <linux/types.h>
 #include <linux/fs.h>
+#include <uapi/linux/proc_fs.h>
 
 struct proc_dir_entry;
 struct seq_file;

@@ -27,14 +28,6 @@ struct proc_ops {
 	unsigned long (*proc_get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
 };
 
-/* definitions for hide_pid field */
-enum {
-	HIDEPID_OFF	  = 0,
-	HIDEPID_NO_ACCESS = 1,
-	HIDEPID_INVISIBLE = 2,
-	HIDEPID_NOT_PTRACEABLE = 4, /* Limit pids to only ptraceable pids */
-};
-
 /* definitions for proc mount option pidonly */
 enum {
 	PROC_PIDONLY_OFF = 0,

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_PROC_FS_H
+#define _UAPI_PROC_FS_H
+
+/* definitions for hide_pid field */
+enum {
+	HIDEPID_OFF            = 0,
+	HIDEPID_NO_ACCESS      = 1,
+	HIDEPID_INVISIBLE      = 2,
+	HIDEPID_NOT_PTRACEABLE = 4,
+};
+
+#endif