1 files changed, 1 insertions, 12 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 40d49986e714..50cb04bb56bf 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -445,10 +445,8 @@ static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma,
         if (vma->vm_file)
                 mapping = vma->vm_file->f_mapping;
 
-        if (mapping) {
+        if (mapping)
                 spin_lock(&mapping->i_mmap_lock);
-                vma->vm_truncate_count = mapping->truncate_count;
-        }
 
         __vma_link(mm, vma, prev, rb_link, rb_parent);
         __vma_link_file(vma);
@@ -558,16 +556,7 @@ again:			remove_next = 1 + (end > next->vm_end);
                 if (!(vma->vm_flags & VM_NONLINEAR))
                         root = &mapping->i_mmap;
                 spin_lock(&mapping->i_mmap_lock);
-                if (importer &&
-                    vma->vm_truncate_count != next->vm_truncate_count) {
-                        /*
-                         * unmap_mapping_range might be in progress:
-                         * ensure that the expanding vma is rescanned.
-                         */
-                        importer->vm_truncate_count = 0;
-                }
                 if (insert) {
-                        insert->vm_truncate_count = vma->vm_truncate_count;
                         /*
                          * Put into prio_tree now, so instantiated pages
                          * are visible to arm/parisc __flush_dcache_page