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Tue, 17 Jan 2023 17:49:12 -0800 (PST) Received: from google.com ([2620:15c:211:201:27ce:97b5:ee13:dbfe]) by smtp.gmail.com with ESMTPSA id f7-20020a170902ce8700b0018685257c0dsm21853275plg.58.2023.01.17.17.49.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 17:49:12 -0800 (PST) Date: Tue, 17 Jan 2023 17:49:10 -0800 From: Minchan Kim To: Matthew Wilcox Cc: Andrew Morton , Suren Baghdasaryan , linux-mm , LKML , Michal Hocko , SeongJae Park Subject: Re: [PATCH 1/3] mm: return the number of pages successfully paged out Message-ID: References: <20230117231632.2734737-1-minchan@kernel.org> <20230117155312.5464d01c2d639b1ac44f9330@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: ws6rfk5nz1u1sg6a61qtiwrfwppkmy9m X-Rspamd-Queue-Id: CDCA8180009 X-HE-Tag: 1674006553-957241 X-HE-Meta: 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 VXPP6Voq CM1wJGwMlbIx2mztQ1I1FUL7RfvIUUyI0+Qcxpr+hwkAOQxgiIFbjioCCbkk/tY0EQX3Bf4095/hIi27GRA5K3RVZV1u7wSDN5l/Zg4nn4le6ormQXzuiY9DDU3PQaFu0thXZYipCu+XtKxxtMDOm10lwKrBAik/6X31viOSZODDjYO0cBxWF/vuuhZ8Pol3KAXlOOnOIkDi05RKKwnT7yuDMtE1bk9C9PFNsIlJFZR1jYw5AYLdv5oA3XUHxhIx3XAmJNNRYp+6JUCpVZroxMP1XBBPbvv2w4GTcByssJAZBxag= 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 Wed, Jan 18, 2023 at 12:58:09AM +0000, Matthew Wilcox wrote: > On Tue, Jan 17, 2023 at 04:35:00PM -0800, Minchan Kim wrote: > > Yes, both are correct in my view since pageout is initiated after > > unmapping the page from page table and think that's better wording > > to be in description. Let me use the explanation in the description > > at next spin. Thanks. > > For the next spin, you'll want to do it against mm-unstable as > deactivate_page() is now folio_deactivate(). I was curious what branch I need to use baseline for creating a patch since I saw multiple branches recent mm/ Thanks for the hint. Sure, will do.