+ mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
has been added to the -mm mm-new branch.  Its filename is
     mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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patches, and acceptance into mm-new is a notification for others take
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------------------------------------------------------
From: Zi Yan <ziy@nvidia.com>
Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
Date: Fri, 18 Jul 2025 14:37:16 -0400

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>
---

 mm/huge_memory.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/mm/huge_memory.c~mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio
+++ a/mm/huge_memory.c
@@ -3463,18 +3463,18 @@ static int __split_unmapped_folio(struct
 				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
_

Patches currently in -mm which might be from ziy@nvidia.com are

selftests-mm-fix-split_huge_page_test-for-folio_split-tests.patch
mm-huge_memory-move-unrelated-code-out-of-__split_unmapped_folio.patch
mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch
mm-huge_memory-deduplicate-code-in-__folio_split.patch
mm-huge_memory-convert-vm_bug-to-vm_warn-in-__folio_split.patch
mm-huge_memory-get-frozen-folio-refcount-with-folio_expected_ref_count.patch
mm-huge_memory-refactor-after-split-page-cache-code.patch