diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 54980a3..7394b5b 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -39,6 +39,7 @@
 #ifdef __alpha__
 	unsigned int taso:1;
 #endif
+	unsigned int recursion_depth;
 	struct file * file;
 	int e_uid, e_gid;
 	kernel_cap_t cap_post_exec_permitted;
@@ -61,6 +62,7 @@
 #define BINPRM_FLAGS_EXECFD_BIT 1
 #define BINPRM_FLAGS_EXECFD (1 << BINPRM_FLAGS_EXECFD_BIT)
 
+#define BINPRM_MAX_RECURSION 4
 
 /*
  * This structure defines the functions that are used to load the binary formats that