diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 9a0e98a..2f67322 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -774,3 +774,12 @@
 	return __alloc_bootmem_core(pgdat->bdata, size,
 			SMP_CACHE_BYTES, (4UL*1024*1024*1024), 0);
 }
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+	if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
+		return "[vdso]";
+	if (vma == &gate_vma)
+		return "[vsyscall]";
+	return NULL;
+}