diff --git a/libcutils/include/private/android_filesystem_config.h b/libcutils/include/private/android_filesystem_config.h
index 3be8ad0..845c586 100644
--- a/libcutils/include/private/android_filesystem_config.h
+++ b/libcutils/include/private/android_filesystem_config.h
@@ -131,6 +131,7 @@
 #define AID_SECURE_ELEMENT 1068  /* secure element subsystem */
 #define AID_LMKD 1069            /* low memory killer daemon */
 #define AID_LLKD 1070            /* live lock daemon */
+#define AID_IORAPD 1071          /* input/output readahead and pin daemon */
 /* Changes to this file must be made in AOSP, *not* in internal branches. */
 
 #define AID_SHELL 2000 /* adb and debug shell user */