--- zzzz-none-000/linux-4.4.60/arch/mips/kernel/elf.c	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/arch/mips/kernel/elf.c	2018-11-08 13:36:17.000000000 +0000
@@ -9,6 +9,7 @@
  */
 
 #include <linux/elf.h>
+#include <linux/fs.h>
 #include <linux/sched.h>
 
 /* FPU modes */