diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 73afe46..dd66f1f 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1708,6 +1708,12 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
 		return NULL;
 
 	/*
+	 * First make sure the mappings are removed from all page-tables
+	 * before they are freed.
+	 */
+	vmalloc_sync_all();
+
+	/*
 	 * In this function, newly allocated vm_struct has VM_UNINITIALIZED
 	 * flag. It means that vm_struct is not fully initialized.
 	 * Now, it is fully initialized, so remove this flag here.
@@ -2243,6 +2249,9 @@ EXPORT_SYMBOL(remap_vmalloc_range);
 /*
  * Implement a stub for vmalloc_sync_all() if the architecture chose not to
  * have one.
+ *
+ * The purpose of this function is to make sure the vmalloc area
+ * mappings are identical in all page-tables in the system.
  */
 void __weak vmalloc_sync_all(void)
 {