diff --git a/libc/kernel/uapi/linux/nsfs.h b/libc/kernel/uapi/linux/nsfs.h
index 61a5797..c8f2208 100644
--- a/libc/kernel/uapi/linux/nsfs.h
+++ b/libc/kernel/uapi/linux/nsfs.h
@@ -7,9 +7,15 @@
 #ifndef __LINUX_NSFS_H
 #define __LINUX_NSFS_H
 #include <linux/ioctl.h>
+#include <linux/types.h>
 #define NSIO 0xb7
 #define NS_GET_USERNS _IO(NSIO, 0x1)
 #define NS_GET_PARENT _IO(NSIO, 0x2)
 #define NS_GET_NSTYPE _IO(NSIO, 0x3)
 #define NS_GET_OWNER_UID _IO(NSIO, 0x4)
+#define NS_GET_MNTNS_ID _IOR(NSIO, 0x5, __u64)
+#define NS_GET_PID_FROM_PIDNS _IOR(NSIO, 0x6, int)
+#define NS_GET_TGID_FROM_PIDNS _IOR(NSIO, 0x7, int)
+#define NS_GET_PID_IN_PIDNS _IOR(NSIO, 0x8, int)
+#define NS_GET_TGID_IN_PIDNS _IOR(NSIO, 0x9, int)
 #endif