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Mon, 15 Apr 2024 13:41:09 +0800 Message-ID: <73ad9d2b-01d3-4af7-bbb4-0063079f8070@huawei.com> Date: Mon, 15 Apr 2024 13:41:09 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/2] mm: batch mm counter updating in filemap_map_pages() Content-Language: en-US To: Matthew Wilcox , Andrew Morton CC: , References: <20240412064751.119015-1-wangkefeng.wang@huawei.com> <20240412161217.c7dc1af77babe5004bd3e71d@linux-foundation.org> From: Kefeng Wang In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm100001.china.huawei.com (7.185.36.93) X-Rspamd-Queue-Id: A9ED818000D X-Rspam-User: X-Stat-Signature: yaa1rdquzhpgyp99xd3qujgme6a3dmyk X-Rspamd-Server: rspam03 X-HE-Tag: 1713159674-573422 X-HE-Meta: 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 zlZMts1I yYWVshiTq0y8odxLz0/bojk4dQ1nNqXtm9CDBCn3WaFklpn4QfqYCYVJ/IIXPOP7A0djGjptw+PuNfM7Ma4//lsu0RhR0p03hxWGGZuocaO8IzDaF+qurOGXZmCcUVcXnzHnQde/Cinx6lEHwFK40QecSZDcSd5tvEVC/j3UN8Zd4fny5yf+SMf3SzOLLQO78DgCBVjvU02yIQTLpHavfbB/lHuqQ0dbBRnRtBAWMpfrOiSw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2024/4/13 9:05, Matthew Wilcox wrote: > On Fri, Apr 12, 2024 at 04:12:17PM -0700, Andrew Morton wrote: >> On Fri, 12 Apr 2024 14:47:49 +0800 Kefeng Wang wrote: >> >>> Let's batch mm counter updating to accelerate filemap_map_pages(). >> >> Are any performance testing results available? > > Patch 2/2 says 12% improvement Yes, lat_pagefault with 512M file from lmbench, thanks.