From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,yuanchu@google.com,xueyuan.chen21@gmail.com,weixugc@google.com,stevensd@chromium.org,shakeel.butt@linux.dev,ridong.chen@linux.dev,mhocko@kernel.org,ljs@kernel.org,lianux.mm@gmail.com,kunwu.chan@gmail.com,kasong@tencent.com,hannes@cmpxchg.org,david@kernel.org,baoquan.he@linux.dev,baolin.wang@linux.alibaba.com,axelrasmussen@google.com,baohua@kernel.org,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-mglru-exclude-folios-promoted-by-aging-from-protected-in-inc_min_seq.patch removed from -mm tree
Date: Tue, 06 Oct 2026 17:52:51 -0700 [thread overview]
Message-ID: <20261007005251.DA9781F0089C@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/mglru: exclude folios promoted by aging from protected in inc_min_seq()
has been removed from the -mm tree. Its filename was
mm-mglru-exclude-folios-promoted-by-aging-from-protected-in-inc_min_seq.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Barry Song (Xiaomi)" <baohua@kernel.org>
Subject: mm/mglru: exclude folios promoted by aging from protected in inc_min_seq()
Date: Wed, 2 Sep 2026 07:24:18 +0800
Some folios may have been promoted during aging, so don't count them as
protected, similar to sort_folio().
Link: https://lore.kernel.org/20260901232421.40157-5-baohua@kernel.org
Signed-off-by: Barry Song (Xiaomi) <baohua@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Baoquan He <baoquan.he@linux.dev>
Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com>
Reviewed-by: Ridong Chen <ridong.chen@linux.dev>
Reviewed-by: Lian Wang <lianux.mm@gmail.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: David Stevens <stevensd@chromium.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kunwu Chan <kunwu.chan@gmail.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>
---
mm/vmscan.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- a/mm/vmscan.c~mm-mglru-exclude-folios-promoted-by-aging-from-protected-in-inc_min_seq
+++ a/mm/vmscan.c
@@ -3962,17 +3962,17 @@ static bool inc_min_seq(struct lruvec *l
if (gen_increased) {
delta += nr_pages;
list_move_tail(&folio->lru, &lrugen->folios[new_gen][type][zone]);
+
+ /* don't count the workingset being lazily promoted */
+ if (refs + workingset != BIT(LRU_REFS_WIDTH) + 1) {
+ int tier = lru_tier_from_refs(refs, workingset);
+
+ WRITE_ONCE(lrugen->protected[hist][type][tier],
+ lrugen->protected[hist][type][tier] + nr_pages);
+ }
} else {
list_move(&folio->lru, &lrugen->folios[new_gen][type][zone]);
}
- /* don't count the workingset being lazily promoted */
- if (refs + workingset != BIT(LRU_REFS_WIDTH) + 1) {
- int tier = lru_tier_from_refs(refs, workingset);
-
- WRITE_ONCE(lrugen->protected[hist][type][tier],
- lrugen->protected[hist][type][tier] + nr_pages);
- }
-
if (!--remaining)
break;
}
_
Patches currently in -mm which might be from baohua@kernel.org are
mm-mglru-restore-accidentally-removed-seq-max_seq-check.patch
reply other threads:[~2026-10-07 0:52 UTC|newest]
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