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[195.135.220.15]) by mx.google.com with ESMTPS id b18si1022742edc.268.2019.01.30.04.45.13 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Jan 2019 04:45:14 -0800 (PST) Received-SPF: pass (google.com: domain of vbabka@suse.cz designates 195.135.220.15 as permitted sender) client-ip=195.135.220.15; Authentication-Results: mx.google.com; spf=pass (google.com: domain of vbabka@suse.cz designates 195.135.220.15 as permitted sender) smtp.mailfrom=vbabka@suse.cz X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 412F8AE4B; Wed, 30 Jan 2019 12:45:13 +0000 (UTC) From: Vlastimil Babka To: Andrew Morton , Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, Peter Zijlstra , Greg KH , Jann Horn , Vlastimil Babka , Andy Lutomirski , Cyril Hrubis , Daniel Gruss , Dave Chinner , Dominique Martinet , Jiri Kosina , Jiri Kosina , Kevin Easton , "Kirill A. Shutemov" , Matthew Wilcox , Tejun Heo Subject: [PATCH 0/3] mincore() and IOCB_NOWAIT adjustments Date: Wed, 30 Jan 2019 13:44:17 +0100 Message-Id: <20190130124420.1834-1-vbabka@suse.cz> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: 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 mm/filemap.c | 2 -- mm/mincore.c | 54 ++++++++++++++++++++++++++++++++++++++++------------ 2 files changed, 42 insertions(+), 14 deletions(-) -- 2.20.1