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Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvRpj-0000000AP7E-2MaG; Sat, 13 Apr 2024 01:05:31 +0000 Date: Sat, 13 Apr 2024 02:05:31 +0100 From: Matthew Wilcox To: Andrew Morton Cc: Kefeng Wang , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v3 0/2] mm: batch mm counter updating in filemap_map_pages() Message-ID: References: <20240412064751.119015-1-wangkefeng.wang@huawei.com> <20240412161217.c7dc1af77babe5004bd3e71d@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240412161217.c7dc1af77babe5004bd3e71d@linux-foundation.org> X-Rspamd-Queue-Id: A3AA180005 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: ffuw8ure3msthgfzb1b1ncaw7wqc7gmu X-HE-Tag: 1712970336-422864 X-HE-Meta: U2FsdGVkX19b45wVNSkjjapfuWCT+FM9BU6Cl2IKcjc2TLQkIL3nxj4g9p02glG9Lcbs60uNR7Q+TEJrxpf63blTz0Fjmiv3P1f+O+Ybwi9wQ0JHzAK3oW5og3ZTdWxEMu2jT2yeyfGfs5kGYIuCGOknOwtB2+2DQq9dxfJCRsiIaXo+IXM+yrDTadi9LtHpVwORVYTwOmZ4vWiUY9VMvpET4P1gLyzLhIKjAH2CfUmPyJHDgkdEBg7nUwtSLEfPwYBiPcZ+0+CcYLCQAB0NtlzNVSeAz4xb/SfSQf45zLPIRBotvZRd02K2/WoTqPcch3CAXuRNgva9SJtxfz25q54pzWJBacXgrzEDvEeyST/8c6y08TvGZ/AMNDnB4nthhG1/wnKRtLa0zMTpe3avGb6KhllruY8ctHeB8uSni2NE7DHxb/lHYVvnzmFJpGf7ceJ/TNSU+dzIA1UFbRGUbfpSSuXJMz/OmD7a+/VjG6FZR5QJRaosiUen3J9lWpAvpJ/JqBDJAQVu1TVYvi9JMPnGcFztp4FJS5eBhSXTIPjLilYk4+zntw5mI0mL+IXTecbSC/KB3BIdheRCBx6x4Dr7IZq4BKwuJCfeo659CWMoYA6OY5gsSDryE3Vw7DVLtyiIyJX9Yj7t09lVynbLHJJMSKDAqVew8vodtsq1QneB4ChGbryigZblclDRAtR3pi870OOZjlg5K9HbnkvMVfUex4d6UcWqDWxQWPeL0Y62GpdAT0fjj9PIOCdxKl5zlnZwmewnbHKdyS4e7nMHgJI1m88Yg5uCsTTORA5TUPJhQ5QdX9mbp6rDEDrRTxsYqTOE/DdpcPVWnDFyXoAKwMmoHW3OGXPzXvf+RJqqUYjJozsF33q1CvhkSMZEPH/y 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 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