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bh=kCJFtgL6xdcTMGe+9WP8iYjWEvs66hdQP/mx1LoKy90=; b=OzDSMeCTTSc6drWMOiHR6qMfpRDvUgbaSm6kJlojm6jqDa/mwGcSAw1q7Oh6RJZU/sAgg4 N6QmCmKZB8DlclPy15ycLtgRPw6poV0ORnsKZFDIcNz/wNZmS02nFmLtGIEsBzNNMSx1Iy axJ0e5xEAvrsRRDJsvrxwSUfbMLupGo= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="0gr/kHqO"; spf=pass (imf24.hostedemail.com: domain of akpm@linux-foundation.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id E8EE341088; Fri, 4 Sep 2026 04:27:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 346F91F00A3D; Fri, 4 Sep 2026 04:27:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1788496079; bh=kCJFtgL6xdcTMGe+9WP8iYjWEvs66hdQP/mx1LoKy90=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=0gr/kHqO/4ULNDJqPp84Lr60lI6kRpHpGBsaJ4e4DY0IrOIABLCKnu8b0Zb8++P4U Uz9mbSiKYC/18RzGfoNdYjWOSH2jJ7d56y9bvv+pHFNAGH8w+OcP+QvpuYDENuS+y7 1wg732cuJfMcY5ImcFpZd0ZoqDL+FeKIUTzsD2TM= Date: Thu, 3 Sep 2026 21:27:58 -0700 From: Andrew Morton To: "Barry Song (Xiaomi)" Cc: baolin.wang@linux.alibaba.com, axelrasmussen@google.com, baoquan.he@linux.dev, chenridong@xiaomi.com, david@kernel.org, hannes@cmpxchg.org, kasong@tencent.com, lianux.mm@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, lyugaofei@xiaomi.com, mhocko@kernel.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, stevensd@chromium.org, wangzicheng@honor.com, weixugc@google.com, xueyuan.chen21@gmail.com, yuanchu@google.com, zhangbo56@xiaomi.com Subject: Re: [PATCH v3 6/7] mm/mglru: move folios from oldest gen to second-oldest gen from head to tail Message-Id: <20260903212758.4ee5fec2a7def1a26f19eb2e@linux-foundation.org> In-Reply-To: <20260904032748.210-1-baohua@kernel.org> References: <129ecc53-f96e-4a5d-a79c-c05293d815d3@linux.alibaba.com> <20260904032748.210-1-baohua@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AF18A180006 X-Stat-Signature: or86h3xw9jq1k44wfkkri1an73pznrzi X-HE-Tag: 1788496081-451093 X-HE-Meta: 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 labUPMrF jIO4cRFWPHaKePw7TcLuZd4btJKSLTu+I9UQo8Cw5npvdsY+G8XqNAq0u9PqCdWfYgw5R0c01duxozlZrElZ0My8IetFs1Jw1ow762fP0ICgq5elE7lIccRWLk7JVZtHpG3vE0dXhQhDOpS62Z6eH1BGAmVF4QRjnDGkyl1y7rmM24JMvofQVOy4JsfGo4qSS7XOnHYJvX+opvIed3a2R3+0IqctpHCmW0xeSrYN8INrD8RtuMMLQvnV07xFshbDsT7AlgBw/W5OtpMcZjldCNJGmKSStsmmiDdMi50WrYBeYmCies866hsA/9pdWL3KOm2T8Eho+DwwvI6fJGfY6Lek8iHf2ul4+16F/lIX4+rPzjnWiD2Kf01mph6PfUxH5hxGpiglGrj5/wll2I/4YJU5Niw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 4 Sep 2026 11:27:48 +0800 "Barry Song (Xiaomi)" wrote: > On Fri, Sep 4, 2026 at 10:47 AM Baolin Wang wrote: > [...] > > > > Could you add this info to the commit message? (IIUC, someone tried to > > remove the prefetch in MM, since they found that prefetch doesn't seem > > to help much on modern CPUs.) > > Sure. I guess we could ask Andrew for his kind help in adding the > following to the Changelog of this patch. > > Hi Andrew, > > Could you please update the changelog and add the description below > at the end? No probs.