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[209.132.180.67]) by mx.google.com with ESMTP id d41si8279719pla.307.2019.03.22.15.17.32; Fri, 22 Mar 2019 15:17:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=pKk8vaqm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728215AbfCVWPY (ORCPT + 99 others); Fri, 22 Mar 2019 18:15:24 -0400 Received: from mail-it1-f196.google.com ([209.85.166.196]:37657 "EHLO mail-it1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726205AbfCVWPW (ORCPT ); Fri, 22 Mar 2019 18:15:22 -0400 Received: by mail-it1-f196.google.com with SMTP id z124so5773134itc.2; Fri, 22 Mar 2019 15:15:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=NxtbMONzoE1s3tzmii8qj/NkqDi2oTH0iJ5EH+lwhzs=; b=pKk8vaqmEOWE7wmsQsAlpVqHxGSGlzdO18CvseUDa6Gqg3ToKg6HC+d6WIlSijUcfE eqZis0vwDECjehXasWtExjdgpfVBq/hrPtiOoQQSKzK3TjOl/nTT+9YmHvwUR+PM7IA4 SOb/KicPs2Y3XnvO+puWR7yKpWhSgZFJhnJ6r4/irdDupSuupBFv6JOsvwLkAcOJVCvc /c6q0yBJIunL/GfMeaZCvO2zo7Le+40UBax9xxx16S5aZ0WDQh3P5CgePOvXOOBPFbgz HBnYydx8J6DIC1a5uoC8HcWUFBhtiH/ArOQmUpRQZYjiW5VzQldKh5YBRfOuJhQ/9xvp 6L0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=NxtbMONzoE1s3tzmii8qj/NkqDi2oTH0iJ5EH+lwhzs=; b=jM0s7cYxPLNd6CpeWkl8RThH9s/2KWrZSwuU2OM6SqPw1nhcrZLC2HNfbqb9i5YpTY gatmLJzoF8B4ruI5UzsPiP/3T4lyyDL3rlzn09KcZQv/MpBgzgq7ySfIPfxYAl0hUKgh n35Ptuq4tqILxoU3iNCO8Jx+ZaSxpIAOD7Nlve6XpLhC2bR5qfJ66QJTc49sDjAVf6Qe U6Zs7tOYpMlH3CKuTxG4v3DSrIx4nSzFuBuis5nXVWAaAfUfoqWkC95CZa0EG4QQtkA0 WbIo90h3dSWlycQm8Ed8U+w91QYxSq1ikAMUDw32jWctfaQEZZ3r2sne674odInkTJqx Spsg== X-Gm-Message-State: APjAAAUyVTera3EHBCkjAfe9T6ybOzaRWR+3cJuw5w0Xd0HfA2zFridw 8yHuDE7p3TYyagvpH2M/s1kkM6X2ufE4adbPqEE= X-Received: by 2002:a24:298b:: with SMTP id p133mr3587931itp.43.1553292921652; Fri, 22 Mar 2019 15:15:21 -0700 (PDT) MIME-Version: 1.0 References: <20190317183438.2057-1-ira.weiny@intel.com> <20190317183438.2057-7-ira.weiny@intel.com> In-Reply-To: <20190317183438.2057-7-ira.weiny@intel.com> From: Dan Williams Date: Fri, 22 Mar 2019 15:15:10 -0700 Message-ID: Subject: Re: [RESEND 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast() To: ira.weiny@intel.com Cc: Andrew Morton , John Hubbard , Michal Hocko , "Kirill A. Shutemov" , Peter Zijlstra , Jason Gunthorpe , Benjamin Herrenschmidt , Paul Mackerras , "David S. Miller" , Martin Schwidefsky , Heiko Carstens , Rich Felker , Yoshinori Sato , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Ralf Baechle , James Hogan , linux-mm , Linux Kernel Mailing List , linux-mips@vger.kernel.org, linuxppc-dev , linux-s390 , Linux-sh , sparclinux@vger.kernel.org, linux-rdma@vger.kernel.org, "netdev@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 17, 2019 at 7:36 PM wrote: > > From: Ira Weiny > > Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against > FS DAX pages being mapped. > > Signed-off-by: Ira Weiny Looks good modulo potential __get_user_pages_fast() suggestion.