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Date: Fri, 5 May 2023 05:19:11 -1000
From: Tejun Heo <tj@...nel.org>
To: Yosry Ahmed <yosryahmed@...gle.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Shakeel Butt <shakeelb@...gle.com>,
Muchun Song <songmuchun@...edance.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jan Kara <jack@...e.cz>, Jens Axboe <axboe@...nel.dk>,
Michal Koutný <mkoutny@...e.com>,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
cgroups@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v5 2/5] memcg: flush stats non-atomically in
mem_cgroup_wb_stats()
On Fri, Apr 21, 2023 at 05:40:17PM +0000, Yosry Ahmed wrote:
> The previous patch moved the wb_over_bg_thresh()->mem_cgroup_wb_stats()
> code path in wb_writeback() outside the lock section. We no longer need
> to flush the stats atomically. Flush the stats non-atomically.
>
> Signed-off-by: Yosry Ahmed <yosryahmed@...gle.com>
> Reviewed-by: Michal Koutný <mkoutny@...e.com>
> Acked-by: Shakeel Butt <shakeelb@...gle.com>
Acked-by: Tejun Heo <tj@...nel.org>
Thanks.
--
tejun
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