From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3D9DC3F2D3 for ; Mon, 16 Mar 2020 04:36:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 837792071C for ; Mon, 16 Mar 2020 04:36:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="m+YssmEX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 837792071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 16C7C6B0003; Mon, 16 Mar 2020 00:36:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F49C6B0005; Mon, 16 Mar 2020 00:36:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 00A326B0007; Mon, 16 Mar 2020 00:36:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0099.hostedemail.com [216.40.44.99]) by kanga.kvack.org (Postfix) with ESMTP id DF0F36B0003 for ; Mon, 16 Mar 2020 00:36:26 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C28BD8248068 for ; Mon, 16 Mar 2020 04:36:26 +0000 (UTC) X-FDA: 76599963972.02.soap97_38392e1593725 X-HE-Tag: soap97_38392e1593725 X-Filterd-Recvd-Size: 4147 Received: from mail-pl1-f196.google.com (mail-pl1-f196.google.com [209.85.214.196]) by imf18.hostedemail.com (Postfix) with ESMTP for ; Mon, 16 Mar 2020 04:36:26 +0000 (UTC) Received: by mail-pl1-f196.google.com with SMTP id g2so4897746plo.3 for ; Sun, 15 Mar 2020 21:36:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=lXdwJTvT1iuUgFQw8gaQa71v7GEvPOebjKf9KF4NkGk=; b=m+YssmEXSmxxKpanK0Py/G1CD7THoku3KfWUEjhQ64ywgxFx7K04VJsvqUa+zQ0TJc oQGIJTQNoxlz648QVzrDfVhfmWtUddCXWRwvi3t6xgBqFmXTieRwvYMdNy8M7FaPF/ni KCzrOyNBMhpqfMkIe7jlupVWTfS1MMYDjzlRkvNDti3/Xat/AGwOEWu51eS3kpX02CKZ PocLODYkwiIxKgvNuPAcEPl0q7O9zRoe3fKZ9BbBIucQIanw7PN3J9c03G1uEkDfAMQ7 2FozxnrOiPBOO2gy4lLkF/BSqL8kbH7jp5bqqT5q4EeNh5xcYqmwkQ+EMwtTOw/h8sw/ by0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=lXdwJTvT1iuUgFQw8gaQa71v7GEvPOebjKf9KF4NkGk=; b=deBUuAParRvZ/cwiCho7Dk5OTDixYpK6+qdkmo7a4Kj88NfoYzs+sC9VHthlFI1/To y//Eg/p67NgWcA+7i1X9Q7eKGhggZ3D9bT1VSgw8h4/SZn8sIYMN6cgblSarJ4LDnffX N44y5HvTc7V/PeoFFP6GANUms93ywlFwZfvfId2UELaIoSi//tOudIMWMxRwF4suJx7t xCzaif5hb8Pl7WjufmdZ5T0tTpBlPghla8pcgxFhDq07bR14D8gCAFAtJizGmoa9KK/L 4giDQF+RpJTMZDhX02GAVBcUaOKZZcVKNoCZ6jWkZVG799sHqQi2/ZeJ1KmiECuh63lE J2GA== X-Gm-Message-State: ANhLgQ02botWyoEh0C+57vLLWvG8bBzwP8t5meYi+nsED20VyFMumXZF 2PStZ7Xx9qBo9z1LC5UugzgCvRY= X-Google-Smtp-Source: ADFU+vtpikXbG80LUhDgL6M5gaBDKvXS9P9nuWps703VcR0eojTmUjTTdQ2WJ8FmAdERUj0r3IvO8Q== X-Received: by 2002:a17:90a:654a:: with SMTP id f10mr23563849pjs.50.1584333384681; Sun, 15 Mar 2020 21:36:24 -0700 (PDT) Received: from mylaptop.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id d6sm18544296pjz.39.2020.03.15.21.36.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 15 Mar 2020 21:36:24 -0700 (PDT) From: Pingfan Liu To: linux-mm@kvack.org Cc: Pingfan Liu , Ira Weiny , Andrew Morton , Mike Rapoport , Dan Williams , Matthew Wilcox , John Hubbard , "Aneesh Kumar K.V" , Christoph Hellwig , Shuah Khan , Jason Gunthorpe , linux-kernel@vger.kernel.org Subject: [PATCHv6 0/3] fix omission of check on FOLL_LONGTERM in gup fast path Date: Mon, 16 Mar 2020 12:34:01 +0800 Message-Id: <1584333244-10480-1-git-send-email-kernelfans@gmail.com> X-Mailer: git-send-email 2.7.5 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: v5 -> v6: rebase code to latest linux-mm git tree improve commit log [3/3], rename GUP_FAST_LONGTERM_BENCHMARK as PIN_FAST_LONGTERM_BENCHMARK due to LONGTERM should be a special case of pin page. Cc: Ira Weiny Cc: Andrew Morton Cc: Mike Rapoport Cc: Dan Williams Cc: Matthew Wilcox Cc: John Hubbard Cc: "Aneesh Kumar K.V" Cc: Christoph Hellwig Cc: Shuah Khan Cc: Jason Gunthorpe To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Pingfan Liu (3): mm/gup: rename nr as nr_pinned in get_user_pages_fast() mm/gup: fix omission of check on FOLL_LONGTERM in gup fast path mm/gup_benchemark: add LONGTERM_BENCHMARK test in gup fast path mm/gup.c | 29 +++++++++++++++++++---------- mm/gup_benchmark.c | 7 +++++++ tools/testing/selftests/vm/gup_benchmark.c | 6 +++++- 3 files changed, 31 insertions(+), 11 deletions(-) -- 2.7.5