1 files changed, 5 insertions, 2 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index efa9a380335e..88ff091eb07a 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -604,7 +604,7 @@ static void protect_vma(struct vm_area_struct *vma, unsigned long flags)
  */
 static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
 {
-        struct vm_area_struct *pvma, **pp;
+        struct vm_area_struct *pvma, **pp, *next;
         struct address_space *mapping;
         struct rb_node **p, *parent;
 
@@ -664,8 +664,11 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
                         break;
         }
 
-        vma->vm_next = *pp;
+        next = *pp;
         *pp = vma;
+        vma->vm_next = next;
+        if (next)
+                next->vm_prev = vma;
 }
 
 /*