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[140.211.169.12]) by mx.google.com with ESMTPS id z3si2554303pfa.121.2019.03.06.14.35.49 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Mar 2019 14:35:50 -0800 (PST) Received-SPF: pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) client-ip=140.211.169.12; Authentication-Results: mx.google.com; spf=pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id AA70B5975; Wed, 6 Mar 2019 22:35:48 +0000 (UTC) Date: Wed, 6 Mar 2019 14:35:47 -0800 From: Andrew Morton To: Jiri Kosina Cc: Vlastimil Babka , Linus Torvalds , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, Peter Zijlstra , Greg KH , Jann Horn , Andy Lutomirski , Cyril Hrubis , Daniel Gruss , Dave Chinner , Dominique Martinet , Kevin Easton , "Kirill A. Shutemov" , Matthew Wilcox , Tejun Heo Subject: Re: [PATCH 0/3] mincore() and IOCB_NOWAIT adjustments Message-Id: <20190306143547.c686225447822beaf3b6e139@linux-foundation.org> In-Reply-To: References: <20190130124420.1834-1-vbabka@suse.cz> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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, 6 Mar 2019 13:11:39 +0100 (CET) Jiri Kosina wrote: > On Wed, 30 Jan 2019, Vlastimil Babka wrote: > > > I've collected the patches from the discussion for formal posting. The first > > two should be settled already, third one is the possible improvement I've > > mentioned earlier, where only in restricted case we resort to existence of page > > table mapping (the original and later reverted approach from Linus) instead of > > faking the result completely. Review and testing welcome. > > > > The consensus seems to be going through -mm tree for 5.1, unless Linus wants > > them alredy for 5.0. > > > > Jiri Kosina (2): > > mm/mincore: make mincore() more conservative > > mm/filemap: initiate readahead even if IOCB_NOWAIT is set for the I/O > > > > Vlastimil Babka (1): > > mm/mincore: provide mapped status when cached status is not allowed > > Andrew, > > could you please take at least the correct and straightforward fix for > mincore() before we figure out how to deal with the slightly less > practical RWF_NOWAIT? Thanks. I assume we're talking about [1/3] and [2/3] from this thread? Can we have a resend please? Gather the various acks and revisions, make changelog changes to address the review questions and comments? Thanks.