1 files changed, 1 insertions, 1 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 81ba54ff96c7..ac1d6671b1ed 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -405,7 +405,7 @@ static void validate_mm_rb(struct rb_root *root, struct vm_area_struct *ignore)
         }
 }
 
-void validate_mm(struct mm_struct *mm)
+static void validate_mm(struct mm_struct *mm)
 {
         int bug = 0;
         int i = 0;