diff --git a/kernel/fork.c b/kernel/fork.c
index 8efac1f..aaa8813 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -381,10 +381,8 @@
 		struct file *file;
 
 		if (mpnt->vm_flags & VM_DONTCOPY) {
-			long pages = vma_pages(mpnt);
-			mm->total_vm -= pages;
 			vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
-								-pages);
+							-vma_pages(mpnt));
 			continue;
 		}
 		charge = 0;