+ mm-remove-the-unused-zone-unaccepted_cleanup.patch added to mm-new branch

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

The patch titled
     Subject: mm: remove the unused zone->unaccepted_cleanup
has been added to the -mm mm-new branch.  Its filename is
     mm-remove-the-unused-zone-unaccepted_cleanup.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-the-unused-zone-unaccepted_cleanup.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.

The mm-new branch of mm.git is not included in linux-next

If a few days of testing in mm-new is successful, the patch will me moved
into mm.git's mm-unstable branch, which is included in linux-next

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------------------------------------------------------
From: Usama Arif <usama.arif@linux.dev>
Subject: mm: remove the unused zone->unaccepted_cleanup
Date: Thu, 24 Sep 2026 12:11:03 -0700

Commit fefc07518227 ("mm/page_alloc: fix race condition in unaccepted
memory handling") removed the zones_with_unaccepted_pages static key and
the work that decremented it, but left the work_struct behind in struct
zone.  Nothing uses it anymore, so let's remove it.

Link: https://lore.kernel.org/20260924191103.3475117-1-usama.arif@linux.dev
Signed-off-by: Usama Arif <usama.arif@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Kairui Song <kasong@tencent.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Qi Zheng <qi.zheng@linux.dev>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
---

 include/linux/mmzone.h |    3 ---
 1 file changed, 3 deletions(-)

--- a/include/linux/mmzone.h~mm-remove-the-unused-zone-unaccepted_cleanup
+++ a/include/linux/mmzone.h
@@ -1100,9 +1100,6 @@ struct zone {
 #ifdef CONFIG_UNACCEPTED_MEMORY
 	/* Pages to be accepted. All pages on the list are MAX_PAGE_ORDER */
 	struct list_head	unaccepted_pages;
-
-	/* To be called once the last page in the zone is accepted */
-	struct work_struct	unaccepted_cleanup;
 #endif
 
 	/* zone flags, see below */
_

Patches currently in -mm which might be from usama.arif@linux.dev are

mm-zswap-dont-fail-a-large-folio-swapin-whose-range-is-not-in-zswap.patch
mm-filemap-move-lruvec-accounting-outside-the-xarray-lock.patch
mm-remove-the-unused-zone-unaccepted_cleanup.patch