diff --git a/libc/kernel/uapi/linux/prctl.h b/libc/kernel/uapi/linux/prctl.h
index 9015e29..6e3426c 100644
--- a/libc/kernel/uapi/linux/prctl.h
+++ b/libc/kernel/uapi/linux/prctl.h
@@ -150,4 +150,9 @@
 #define PR_PAC_APDAKEY (1UL << 2)
 #define PR_PAC_APDBKEY (1UL << 3)
 #define PR_PAC_APGAKEY (1UL << 4)
+#define PR_SET_TAGGED_ADDR_CTRL 55
+#define PR_GET_TAGGED_ADDR_CTRL 56
+#define PR_TAGGED_ADDR_ENABLE (1UL << 0)
+#define PR_SET_VMA 0x53564d41
+#define PR_SET_VMA_ANON_NAME 0
 #endif