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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qFkWx-006xiH-Vl; Sun, 02 Jul 2023 00:01:32 +0000 Date: Sun, 2 Jul 2023 01:01:31 +0100 From: Matthew Wilcox To: Peng Zhang Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, sidhartha.kumar@oracle.com, akpm@linux-foundation.org, wangkefeng.wang@huawei.com, sunnanyong@huawei.com Subject: Re: [PATCH v2 1/2] mm: use a folio in fault_dirty_shared_page() Message-ID: References: <20230701032853.258697-1-zhangpeng362@huawei.com> <20230701032853.258697-2-zhangpeng362@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230701032853.258697-2-zhangpeng362@huawei.com> X-Rspamd-Queue-Id: 8AED514001C X-Rspam-User: X-Stat-Signature: j8kfcqt6h6hbf1t6shs857pqsuaffwgh X-Rspamd-Server: rspam03 X-HE-Tag: 1688256096-28081 X-HE-Meta: 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 AUiclae9 3HAYBE09rha6uS+hOW06FQpvulV+F4qphfZN32PwoPLZCo69ylxCALuZhc0Kk3bNMS2jxrjzNha+9Kc4HC4iTgZ+lK/gUr7VdTft69ZWnOgk5b2b7HGmZTXMCFyrqK67QqHtX8tDro7GjZxii551ksTkhlPHkG3TwwToDEOEyMr1BstTPyI99GEYgjYqqydnWN8StyxYKwHwUdvPRYCgJejXZvGcXivln928EldrdozPvMrxoFDJprHaKxd3RUAi6rz8n2XyCodDy2a6S9BrTThMs99sHUN/bW9NI 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: On Sat, Jul 01, 2023 at 11:28:52AM +0800, Peng Zhang wrote: > From: ZhangPeng > > We can replace four implicit calls to compound_head() with one by using > folio. > > Signed-off-by: ZhangPeng > Reviewed-by: Sidhartha Kumar Reviewed-by: Matthew Wilcox (Oracle)