+ migrate-optimise-alloc_migration_target-fix.patch added to mm-new branch

+ migrate-optimise-alloc_migration_target-fix.patch added to mm-new branch

[Andrew Morton]

The patch titled
     Subject: mm/migrate: fix zidx type
has been added to the -mm mm-new branch.  Its filename is
     migrate-optimise-alloc_migration_target-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/migrate-optimise-alloc_migration_target-fix.patch

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

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

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------------------------------------------------------
From: Zi Yan <ziy@nvidia.com>
Subject: mm/migrate: fix zidx type
Date: Thu, 6 Nov 2025 19:41:13 -0500

folio_zonenum() returns enum zone_type. It would be better to also
fix zidx's type.

Link: https://lkml.kernel.org/r/26E8FF35-503E-4F14-98F7-7B4FA25FBD37@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Gregory Price <gourry@gourry.net>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Ying Huang <ying.huang@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/migrate.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/migrate.c~migrate-optimise-alloc_migration_target-fix
+++ a/mm/migrate.c
@@ -2172,7 +2172,7 @@ struct folio *alloc_migration_target(str
 	gfp_t gfp_mask;
 	unsigned int order = 0;
 	int nid;
-	int zidx;
+	enum zone_type zidx;
 
 	mtc = (struct migration_target_control *)private;
 	gfp_mask = mtc->gfp_mask;
_

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

mm-huge_memory-do-not-change-split_huge_page-target-order-silently.patch
mm-huge_memory-preserve-pg_has_hwpoisoned-if-a-folio-is-split-to-0-order.patch
mm-huge_memory-fix-folio-split-check-for-anon-folios-in-swapcache.patch
mm-huge_memory-add-split_huge_page_to_order.patch
mm-memory-failure-improve-large-block-size-folio-handling.patch
mm-huge_memory-fix-kernel-doc-comments-for-folio_split-and-related.patch
mm-huge_memory-fix-kernel-doc-comments-for-folio_split-and-related-fix.patch
mm-huge_memory-fix-kernel-doc-comments-for-folio_split-and-related-fix-2.patch
migrate-optimise-alloc_migration_target-fix.patch