From: Barry Song <baohua@kernel.org>
To: kasong@tencent.com
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
David Hildenbrand <david@kernel.org>,
Michal Hocko <mhocko@kernel.org>,
Qi Zheng <zhengqi.arch@bytedance.com>,
Shakeel Butt <shakeel.butt@linux.dev>,
Lorenzo Stoakes <ljs@kernel.org>,
David Stevens <stevensd@google.com>,
Chen Ridong <chenridong@huaweicloud.com>,
Leno Hou <lenohou@gmail.com>, Yafang Shao <laoar.shao@gmail.com>,
Yu Zhao <yuzhao@google.com>,
Zicheng Wang <wangzicheng@honor.com>,
Kalesh Singh <kaleshsingh@google.com>,
Suren Baghdasaryan <surenb@google.com>,
Chris Li <chrisl@kernel.org>, Vernon Yang <vernon2gm@gmail.com>,
linux-kernel@vger.kernel.org, Qi Zheng <qi.zheng@linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>
Subject: Re: [PATCH v4 06/14] mm/mglru: use a smaller batch for reclaim
Date: Sat, 11 Apr 2026 12:27:47 +0800 [thread overview]
Message-ID: <CAGsJ_4xnqJdL+D8-nWtr5xadNO=fJWaJirvnTcq+8dpeXqWbSQ@mail.gmail.com> (raw)
In-Reply-To: <20260407-mglru-reclaim-v4-6-98cf3dc69519@tencent.com>
On Tue, Apr 7, 2026 at 8:05 PM Kairui Song via B4 Relay
<devnull+kasong.tencent.com@kernel.org> wrote:
>
> From: Kairui Song <kasong@tencent.com>
>
> With a fixed number to reclaim calculated at the beginning, making each
> following step smaller should reduce the lock contention and avoid
> over-aggressive reclaim of folios, as it will abort earlier when the
> number of folios to be reclaimed is reached.
>
> Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
> Reviewed-by: Chen Ridong <chenridong@huaweicloud.com>
> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> Signed-off-by: Kairui Song <kasong@tencent.com>
LGTM,
Reviewed-by: Barry Song <baohua@kernel.org>
next prev parent reply other threads:[~2026-04-11 4:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-07 11:57 [PATCH v4 00/14] mm/mglru: improve reclaim loop and dirty folio handling Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 01/14] mm/mglru: consolidate common code for retrieving evictable size Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 02/14] mm/mglru: rename variables related to aging and rotation Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 03/14] mm/mglru: relocate the LRU scan batch limit to callers Kairui Song via B4 Relay
2026-04-08 3:12 ` Chen Ridong
2026-04-07 11:57 ` [PATCH v4 04/14] mm/mglru: restructure the reclaim loop Kairui Song via B4 Relay
2026-04-08 8:08 ` Chen Ridong
2026-04-08 8:43 ` Kairui Song
2026-04-07 11:57 ` [PATCH v4 05/14] mm/mglru: scan and count the exact number of folios Kairui Song via B4 Relay
2026-04-08 8:27 ` Chen Ridong
2026-04-07 11:57 ` [PATCH v4 06/14] mm/mglru: use a smaller batch for reclaim Kairui Song via B4 Relay
2026-04-11 4:27 ` Barry Song [this message]
2026-04-07 11:57 ` [PATCH v4 07/14] mm/mglru: don't abort scan immediately right after aging Kairui Song via B4 Relay
2026-04-08 9:32 ` Chen Ridong
2026-04-07 11:57 ` [PATCH v4 08/14] mm/mglru: remove redundant swap constrained check upon isolation Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 09/14] mm/mglru: use the common routine for dirty/writeback reactivation Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 10/14] mm/mglru: simplify and improve dirty writeback handling Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 11/14] mm/mglru: remove no longer used reclaim argument for folio protection Kairui Song via B4 Relay
2026-04-07 11:57 ` [PATCH v4 12/14] mm/vmscan: remove sc->file_taken Kairui Song via B4 Relay
2026-04-11 4:43 ` Barry Song
2026-04-07 11:57 ` [PATCH v4 13/14] mm/vmscan: remove sc->unqueued_dirty Kairui Song via B4 Relay
2026-04-11 4:33 ` Barry Song
2026-04-07 11:57 ` [PATCH v4 14/14] mm/vmscan: unify writeback reclaim statistic and throttling Kairui Song via B4 Relay
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