diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index b01d1a6c7577e495feaf5b981535d68643d3b03d..4497b1c45ea4e96ac45594451c1493321595005f 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2244,7 +2244,7 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
 	if (!(area->flags & VM_USERMAP))
 		return -EINVAL;
 
-	if (kaddr + size > area->addr + area->size)
+	if (kaddr + size > area->addr + get_vm_area_size(area))
 		return -EINVAL;
 
 	do {