1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index a0df4295e171..2eec61fe75c9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1756,6 +1756,9 @@ 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 int may_expand_vm(struct mm_struct *mm, unsigned long npages);
+extern struct vm_area_struct *_install_special_mapping(struct mm_struct *mm,
+                                   unsigned long addr, unsigned long len,
+                                   unsigned long flags, struct page **pages);
 extern int install_special_mapping(struct mm_struct *mm,
                                    unsigned long addr, unsigned long len,
                                    unsigned long flags, struct page **pages);