From: Lian Wang <lianux.mm@gmail.com>
To: Kairui Song via B4 Relay <devnull+kasong.tencent.com@kernel.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Baoquan He <baoquan.he@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>, Chris Li <chrisl@kernel.org>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Ridong Chen <ridong.chen@linux.dev>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>, Yu Zhao <yuzhao@google.com>,
Zi Yan <ziy@nvidia.com>, Qi Zheng <qi.zheng@linux.dev>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Kairui Song <ryncsn@gmail.com>, Kairui Song <kasong@tencent.com>
Subject: Re: [PATCH v3 3/6] mm/migrate: copy all referenced state via folio_migrate_lru_refs
Date: Fri, 28 Aug 2026 13:26:32 +0800 [thread overview]
Message-ID: <20260828052702.52673-1-lianux.mm@gmail.com> (raw)
In-Reply-To: <20260826-mglru-flags-cleanup-v3-3-d9f1c75549c8@tencent.com>
> Transfer the reference state first, before the destination folio is
> marked uptodate, so a concurrent lockless reader cannot have its
> reference update overwritten by the copy.
Reviewed-by: Lian Wang <lianux.mm@gmail.com>
next prev parent reply other threads:[~2026-08-28 5:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-25 17:53 [PATCH v3 0/6] mm/mglru: clean up folio counters and flag usage Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-25 17:53 ` [PATCH v3 1/6] mm/memcontrol: make lru_zone_size atomic and simplify sanity check Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-29 3:34 ` Barry Song
2026-08-25 17:53 ` [PATCH v3 2/6] mm/mglru: introduce helpers for manipulating gen and refs flags Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-25 18:20 ` Kairui Song
2026-08-26 10:48 ` Qi Zheng
2026-08-27 7:32 ` Baolin Wang
[not found] ` <apRx-xd0csgBU4sL@KASONG-MC4>
2026-08-31 8:52 ` Baolin Wang
2026-08-29 4:21 ` Barry Song
2026-08-29 7:47 ` Kairui Song
2026-08-29 8:26 ` Barry Song
2026-08-30 18:34 ` Kairui Song
2026-08-30 9:08 ` Ridong Chen
2026-08-30 8:39 ` Ridong Chen
2026-08-30 17:19 ` Kairui Song
2026-08-25 17:53 ` [PATCH v3 3/6] mm/migrate: copy all referenced state via folio_migrate_lru_refs Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-27 7:33 ` Baolin Wang
2026-08-27 10:55 ` David Hildenbrand (Arm)
2026-08-28 5:26 ` Lian Wang [this message]
2026-08-29 9:56 ` Barry Song
2026-08-30 9:23 ` Ridong Chen
2026-08-25 17:53 ` [PATCH v3 4/6] mm/mglru: move max_seq read into walk_update_folio Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-28 5:28 ` Lian Wang
2026-08-29 10:04 ` Barry Song
2026-08-25 17:53 ` [PATCH v3 5/6] mm/mglru: use explicit tier range in read_ctrl_pos() Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-28 5:29 ` Lian Wang
2026-08-29 14:31 ` Kairui Song
2026-08-30 9:43 ` Ridong Chen
2026-08-25 17:53 ` [PATCH v3 6/6] mm/mglru: fix potential generation folio number leak Kairui Song via B4 Relay
2026-08-25 17:53 ` Kairui Song
2026-08-28 23:19 ` [PATCH v3 0/6] mm/mglru: clean up folio counters and flag usage Andrew Morton
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