diff --git a/include/sys/membarrier.h b/include/sys/membarrier.h
index 10cb3108..11193eda 100644
--- a/include/sys/membarrier.h
+++ b/include/sys/membarrier.h
@@ -9,9 +9,13 @@
 #define MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED 16
 #define MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE 32
 #define MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE 64
+#define MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ 128
+#define MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ 256
 
 #define MEMBARRIER_CMD_SHARED MEMBARRIER_CMD_GLOBAL
 
+#define MEMBARRIER_CMD_FLAG_CPU 1
+
 int membarrier(int, int);
 
 #endif