+ mm-vmscanc-fix-min-signedness-mismatch.patch added to mm-hotfixes-unstable branch

+ mm-vmscanc-fix-min-signedness-mismatch.patch added to mm-hotfixes-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/vmscan.c: fix min() signedness mismatch
has been added to the -mm mm-hotfixes-unstable branch.  Its filename is
     mm-vmscanc-fix-min-signedness-mismatch.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscanc-fix-min-signedness-mismatch.patch

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

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm/vmscan.c: fix min() signedness mismatch
Date: Wed Sep 16 04:21:22 PM PDT 2026

A __noipa conversion from Arnd [1] somehow revealed a longstanding min()
error in read_ctrl_pos().  Plug it with min_t().

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Barry Song <baohua@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <kasong@tencent.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

--- a/mm/vmscan.c~mm-vmscanc-fix-min-signedness-mismatch
+++ a/mm/vmscan.c
@@ -3205,7 +3205,7 @@ static void read_ctrl_pos(struct lruvec
 	pos->gain = gain;
 	pos->refaulted = pos->total = 0;
 
-	for (i = tier % MAX_NR_TIERS; i <= min(tier, MAX_NR_TIERS - 1); i++) {
+	for (i = tier % MAX_NR_TIERS; i <= min_t(unsigned int, tier, MAX_NR_TIERS - 1); i++) {
 		pos->refaulted += lrugen->avg_refaulted[type][i] +
 				  atomic_long_read(&lrugen->refaulted[hist][type][i]);
 		pos->total += lrugen->avg_total[type][i] +
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-vmscanc-fix-min-signedness-mismatch.patch
mm-memory_hotplug-factor-out-node_is_memoryless-fix.patch
docs-admin-guide-mm-damon-usage-update-for-hugepage_size-fix.patch
drivers-media-v4l2-core-v4l2-vp9c-reduce-inlining.patch