diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8f468e0..004c73a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1987,6 +1987,7 @@
 
 extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);
 extern struct file *get_mm_exe_file(struct mm_struct *mm);
+extern struct file *get_task_exe_file(struct task_struct *task);
 
 extern bool may_expand_vm(struct mm_struct *, vm_flags_t, unsigned long npages);
 extern void vm_stat_account(struct mm_struct *, vm_flags_t, long npages);