procfs: use an enum for possible hidepid values

[linux-2.6-microblaze.git] / include / linux / pid_namespace.h

diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index 34cce96..c2a989d 100644 (file)
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -21,6 +21,12 @@ struct pidmap {
 
 struct fs_pin;
 
+enum { /* definitions for pid_namespace's hide_pid field */
+       HIDEPID_OFF       = 0,
+       HIDEPID_NO_ACCESS = 1,
+       HIDEPID_INVISIBLE = 2,
+};
+
 struct pid_namespace {
        struct kref kref;
        struct pidmap pidmap[PIDMAP_ENTRIES];