From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out199-6.us.a.mail.aliyun.com (out199-6.us.a.mail.aliyun.com [47.90.199.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4371F9D5; Wed, 20 Dec 2023 01:44:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045192;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0VysQptC_1703036628; Received: from 30.221.146.138(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0VysQptC_1703036628) by smtp.aliyun-inc.com; Wed, 20 Dec 2023 09:43:49 +0800 Message-ID: <9f11d308-54a8-4152-9da7-90a49de8d5e0@linux.alibaba.com> Date: Wed, 20 Dec 2023 09:43:47 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/2] mm: fix arithmetic for bdi min_ratio and max_ratio Content-Language: en-US To: Stefan Roesch , Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, joseph.qi@linux.alibaba.com, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, willy@infradead.org References: <20231219142508.86265-1-jefflexu@linux.alibaba.com> <79e0cb77-ea6a-427f-af5e-c1762049ac89@app.fastmail.com> From: Jingbo Xu In-Reply-To: <79e0cb77-ea6a-427f-af5e-c1762049ac89@app.fastmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/20/23 1:56 AM, Stefan Roesch wrote: > It would be good if the cover letter describes what this fixes. Thanks. Would notice that next time :) > > On Tue, Dec 19, 2023, at 6:25 AM, Jingbo Xu wrote: >> changes since v2: >> - patch 2: drop div64_u64(), instead write it out mathematically >> (Matthew Wilcox) >> >> changes since v1: >> - split the previous v1 patch into two separate patches with >> corresponding "Fixes" tag (Andrew Morton) >> - patch 2: remove "UL" suffix for the "100" constant >> >> v1: >> https://lore.kernel.org/all/20231218031640.77983-1-jefflexu@linux.alibaba.com/ >> v2: >> https://lore.kernel.org/all/20231219024246.65654-1-jefflexu@linux.alibaba.com/ >> >> Jingbo Xu (2): >> mm: fix arithmetic for bdi min_ratio >> mm: fix arithmetic for max_prop_frac when setting max_ratio >> >> mm/page-writeback.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> -- >> 2.19.1.6.gb485710b -- Thanks, Jingbo