diff --git a/include/sys/prctl.h b/include/sys/prctl.h
index d41ff0f6..8cb197c3 100644
--- a/include/sys/prctl.h
+++ b/include/sys/prctl.h
@@ -92,6 +92,9 @@ extern "C" {
 
 #define PR_GET_TID_ADDRESS      40
 
+#define PR_SET_THP_DISABLE      41
+#define PR_GET_THP_DISABLE      42
+
 int prctl (int, ...);
 
 #ifdef __cplusplus