mm/huge_memory: remove after_split label in __split_unmapped_folio()

Check stop_split instead to avoid the goto statement.

Link: https://lkml.kernel.org/r/20250718183720.4054515-3-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Antonio Quartulli <antonio@mandelbit.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <k.shutemov@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Mathew Brost <matthew.brost@intel.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 63eebca07628b8a11d62fc20d1493efaeeedb33a..e01359008b1350ecfc1cbe231c40a3a4687c6fc1 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3463,18 +3463,18 @@ static int __split_unmapped_folio(struct folio *folio, int new_order,
                                if (xas_error(xas)) {
                                        ret = xas_error(xas);
                                        stop_split = true;
-                                       goto after_split;
                                }
                        }
                }
 
-               folio_split_memcg_refs(folio, old_order, split_order);
-               split_page_owner(&folio->page, old_order, split_order);
-               pgalloc_tag_split(folio, old_order, split_order);
+               if (!stop_split) {
+                       folio_split_memcg_refs(folio, old_order, split_order);
+                       split_page_owner(&folio->page, old_order, split_order);
+                       pgalloc_tag_split(folio, old_order, split_order);
 
-               __split_folio_to_order(folio, old_order, split_order);
+                       __split_folio_to_order(folio, old_order, split_order);
+               }
 
-after_split:
                /*
                 * Iterate through after-split folios and update folio stats.
                 * But in buddy allocator like split, the folio