diff --git a/mm/rmap.c b/mm/rmap.c
index ad509b3a89ee..91a63dc636ad 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1681,6 +1681,7 @@ static bool try_to_unmap_one(struct folio *folio, struct vm_area_struct *vma,
 				break;
 			}
 			if (arch_unmap_one(mm, vma, address, pteval) < 0) {
+				swap_free(entry);
 				set_pte_at(mm, address, pvmw.pte, pteval);
 				ret = false;
 				page_vma_mapped_walk_done(&pvmw);