diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index ac53d46ac8a5..a0df1e2e155a 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2191,6 +2191,7 @@ static void purge_vmap_node(struct work_struct *work)
 {
 	struct vmap_node *vn = container_of(work,
 		struct vmap_node, purge_work);
+	unsigned long nr_purged_pages = 0;
 	struct vmap_area *va, *n_va;
 	LIST_HEAD(local_list);
 
@@ -2208,7 +2209,7 @@ static void purge_vmap_node(struct work_struct *work)
 			kasan_release_vmalloc(orig_start, orig_end,
 					      va->va_start, va->va_end);
 
-		atomic_long_sub(nr, &vmap_lazy_nr);
+		nr_purged_pages += nr;
 		vn->nr_purged++;
 
 		if (is_vn_id_valid(vn_id) && !vn->skip_populate)
@@ -2219,6 +2220,8 @@ static void purge_vmap_node(struct work_struct *work)
 		list_add(&va->list, &local_list);
 	}
 
+	atomic_long_sub(nr_purged_pages, &vmap_lazy_nr);
+
 	reclaim_list_global(&local_list);
 }